Home / 1,035,478.20-1,553,217.30-287,524.20

Finding the Fourth Proportional to 1,035,478.20, 1,553,217.30 and 287,524.20

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Solution

The fourth proportional to 1,035,478.20, 1,553,217.30 and 287,524.20 is: 431,286.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,478.20 : 1,553,217.30 = 287,524.20 : x
  2. Step 2: Convert to fraction form
    1,035,478.20/1,553,217.30 = 287,524.20/x
  3. Step 3: Cross multiply
    1,035,478.20x = 1,553,217.30 × 287,524.20
  4. Step 4: Simplify right side
    1,035,478.20x = 446,587,561,608.66
  5. Step 5: Solve for x
    x = 446,587,561,608.66/1,035,478.20
  6. Step 6: Final answer
    x = 431,286.30

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.