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Finding the Fourth Proportional to 482,871.40, 724,307.10 and 437,770.60

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Solution

The fourth proportional to 482,871.40, 724,307.10 and 437,770.60 is: 656,655.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,871.40 : 724,307.10 = 437,770.60 : x
  2. Step 2: Convert to fraction form
    482,871.40/724,307.10 = 437,770.60/x
  3. Step 3: Cross multiply
    482,871.40x = 724,307.10 × 437,770.60
  4. Step 4: Simplify right side
    482,871.40x = 317,080,353,751.26
  5. Step 5: Solve for x
    x = 317,080,353,751.26/482,871.40
  6. Step 6: Final answer
    x = 656,655.90

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Similar ratio
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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.