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Finding the Fourth Proportional to 463,967.60, 695,951.40 and 316,511.60

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Solution

The fourth proportional to 463,967.60, 695,951.40 and 316,511.60 is: 474,767.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,967.60 : 695,951.40 = 316,511.60 : x
  2. Step 2: Convert to fraction form
    463,967.60/695,951.40 = 316,511.60/x
  3. Step 3: Cross multiply
    463,967.60x = 695,951.40 × 316,511.60
  4. Step 4: Simplify right side
    463,967.60x = 220,276,691,136.24
  5. Step 5: Solve for x
    x = 220,276,691,136.24/463,967.60
  6. Step 6: Final answer
    x = 474,767.40

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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.