Home / 510,946.52-766,419.84-136,979.24

Finding the Fourth Proportional to 510,946.52, 766,419.84 and 136,979.24

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Solution

The fourth proportional to 510,946.52, 766,419.84 and 136,979.24 is: 205,468.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,946.52 : 766,419.84 = 136,979.24 : x
  2. Step 2: Convert to fraction form
    510,946.52/766,419.84 = 136,979.24/x
  3. Step 3: Cross multiply
    510,946.52x = 766,419.84 × 136,979.24
  4. Step 4: Simplify right side
    510,946.52x = 104,983,603,372.02
  5. Step 5: Solve for x
    x = 104,983,603,372.02/510,946.52
  6. Step 6: Final answer
    x = 205,468.87

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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.