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Finding the Fourth Proportional to 650,252.80, 975,379.20 and 538,059.70

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Solution

The fourth proportional to 650,252.80, 975,379.20 and 538,059.70 is: 807,089.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,252.80 : 975,379.20 = 538,059.70 : x
  2. Step 2: Convert to fraction form
    650,252.80/975,379.20 = 538,059.70/x
  3. Step 3: Cross multiply
    650,252.80x = 975,379.20 × 538,059.70
  4. Step 4: Simplify right side
    650,252.80x = 524,812,239,738.24
  5. Step 5: Solve for x
    x = 524,812,239,738.24/650,252.80
  6. Step 6: Final answer
    x = 807,089.55

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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.