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Finding the Fourth Proportional to 531,602.55, 797,403.83 and 484,946.55

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Solution

The fourth proportional to 531,602.55, 797,403.83 and 484,946.55 is: 727,419.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,602.55 : 797,403.83 = 484,946.55 : x
  2. Step 2: Convert to fraction form
    531,602.55/797,403.83 = 484,946.55/x
  3. Step 3: Cross multiply
    531,602.55x = 797,403.83 × 484,946.55
  4. Step 4: Simplify right side
    531,602.55x = 386,698,233,890.55
  5. Step 5: Solve for x
    x = 386,698,233,890.55/531,602.55
  6. Step 6: Final answer
    x = 727,419.83

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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.