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Finding the Fourth Proportional to 587,288.60, 880,932.90 and 519,637.40

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Solution

The fourth proportional to 587,288.60, 880,932.90 and 519,637.40 is: 779,456.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,288.60 : 880,932.90 = 519,637.40 : x
  2. Step 2: Convert to fraction form
    587,288.60/880,932.90 = 519,637.40/x
  3. Step 3: Cross multiply
    587,288.60x = 880,932.90 × 519,637.40
  4. Step 4: Simplify right side
    587,288.60x = 457,765,681,730.46
  5. Step 5: Solve for x
    x = 457,765,681,730.46/587,288.60
  6. Step 6: Final answer
    x = 779,456.10

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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.