Home / 527,564.20-791,346.30-508,901.80

Finding the Fourth Proportional to 527,564.20, 791,346.30 and 508,901.80

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Solution

The fourth proportional to 527,564.20, 791,346.30 and 508,901.80 is: 763,352.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,564.20 : 791,346.30 = 508,901.80 : x
  2. Step 2: Convert to fraction form
    527,564.20/791,346.30 = 508,901.80/x
  3. Step 3: Cross multiply
    527,564.20x = 791,346.30 × 508,901.80
  4. Step 4: Simplify right side
    527,564.20x = 402,717,556,493.34
  5. Step 5: Solve for x
    x = 402,717,556,493.34/527,564.20
  6. Step 6: Final answer
    x = 763,352.70

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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.