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Finding the Fourth Proportional to 576,190.20, 862,244.10 and 502,123.80

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Solution

The fourth proportional to 576,190.20, 862,244.10 and 502,123.80 is: 751,406.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,190.20 : 862,244.10 = 502,123.80 : x
  2. Step 2: Convert to fraction form
    576,190.20/862,244.10 = 502,123.80/x
  3. Step 3: Cross multiply
    576,190.20x = 862,244.10 × 502,123.80
  4. Step 4: Simplify right side
    576,190.20x = 432,953,284,019.58
  5. Step 5: Solve for x
    x = 432,953,284,019.58/576,190.20
  6. Step 6: Final answer
    x = 751,406.89

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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.