Home / 647,500.20-971,250.30-332,572.20

Finding the Fourth Proportional to 647,500.20, 971,250.30 and 332,572.20

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Solution

The fourth proportional to 647,500.20, 971,250.30 and 332,572.20 is: 498,858.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,500.20 : 971,250.30 = 332,572.20 : x
  2. Step 2: Convert to fraction form
    647,500.20/971,250.30 = 332,572.20/x
  3. Step 3: Cross multiply
    647,500.20x = 971,250.30 × 332,572.20
  4. Step 4: Simplify right side
    647,500.20x = 323,010,849,021.66
  5. Step 5: Solve for x
    x = 323,010,849,021.66/647,500.20
  6. Step 6: Final answer
    x = 498,858.30

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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.