Home / 738,572.20-1,107,858.30-265,330.60

Finding the Fourth Proportional to 738,572.20, 1,107,858.30 and 265,330.60

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Solution

The fourth proportional to 738,572.20, 1,107,858.30 and 265,330.60 is: 397,995.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,572.20 : 1,107,858.30 = 265,330.60 : x
  2. Step 2: Convert to fraction form
    738,572.20/1,107,858.30 = 265,330.60/x
  3. Step 3: Cross multiply
    738,572.20x = 1,107,858.30 × 265,330.60
  4. Step 4: Simplify right side
    738,572.20x = 293,948,707,453.98
  5. Step 5: Solve for x
    x = 293,948,707,453.98/738,572.20
  6. Step 6: Final answer
    x = 397,995.90

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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.