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Finding the Fourth Proportional to 502,488.80, 752,566.80 and 490,824.80

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Solution

The fourth proportional to 502,488.80, 752,566.80 and 490,824.80 is: 735,097.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,488.80 : 752,566.80 = 490,824.80 : x
  2. Step 2: Convert to fraction form
    502,488.80/752,566.80 = 490,824.80/x
  3. Step 3: Cross multiply
    502,488.80x = 752,566.80 × 490,824.80
  4. Step 4: Simplify right side
    502,488.80x = 369,378,449,096.64
  5. Step 5: Solve for x
    x = 369,378,449,096.64/502,488.80
  6. Step 6: Final answer
    x = 735,097.88

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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.