Home / 510,472.83-765,819.95-155,477.55

Finding the Fourth Proportional to 510,472.83, 765,819.95 and 155,477.55

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Solution

The fourth proportional to 510,472.83, 765,819.95 and 155,477.55 is: 233,250.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,472.83 : 765,819.95 = 155,477.55 : x
  2. Step 2: Convert to fraction form
    510,472.83/765,819.95 = 155,477.55/x
  3. Step 3: Cross multiply
    510,472.83x = 765,819.95 × 155,477.55
  4. Step 4: Simplify right side
    510,472.83x = 119,067,808,789.74
  5. Step 5: Solve for x
    x = 119,067,808,789.74/510,472.83
  6. Step 6: Final answer
    x = 233,250.04

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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.