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Finding the Fourth Proportional to 666,023.60, 999,035.40 and 587,291.60

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Solution

The fourth proportional to 666,023.60, 999,035.40 and 587,291.60 is: 880,937.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,023.60 : 999,035.40 = 587,291.60 : x
  2. Step 2: Convert to fraction form
    666,023.60/999,035.40 = 587,291.60/x
  3. Step 3: Cross multiply
    666,023.60x = 999,035.40 × 587,291.60
  4. Step 4: Simplify right side
    666,023.60x = 586,725,098,522.64
  5. Step 5: Solve for x
    x = 586,725,098,522.64/666,023.60
  6. Step 6: Final answer
    x = 880,937.40

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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.