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Finding the Fourth Proportional to 482,873.40, 724,310.10 and 473,542.20

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Solution

The fourth proportional to 482,873.40, 724,310.10 and 473,542.20 is: 710,313.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,873.40 : 724,310.10 = 473,542.20 : x
  2. Step 2: Convert to fraction form
    482,873.40/724,310.10 = 473,542.20/x
  3. Step 3: Cross multiply
    482,873.40x = 724,310.10 × 473,542.20
  4. Step 4: Simplify right side
    482,873.40x = 342,991,398,236.22
  5. Step 5: Solve for x
    x = 342,991,398,236.22/482,873.40
  6. Step 6: Final answer
    x = 710,313.30

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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.