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Finding the Fourth Proportional to 587,301.20, 880,951.80 and 469,203.20

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Solution

The fourth proportional to 587,301.20, 880,951.80 and 469,203.20 is: 703,804.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,301.20 : 880,951.80 = 469,203.20 : x
  2. Step 2: Convert to fraction form
    587,301.20/880,951.80 = 469,203.20/x
  3. Step 3: Cross multiply
    587,301.20x = 880,951.80 × 469,203.20
  4. Step 4: Simplify right side
    587,301.20x = 413,345,403,605.76
  5. Step 5: Solve for x
    x = 413,345,403,605.76/587,301.20
  6. Step 6: Final answer
    x = 703,804.80

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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.