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Finding the Fourth Proportional to 666,001.80, 999,002.70 and 498,040.20

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Solution

The fourth proportional to 666,001.80, 999,002.70 and 498,040.20 is: 747,060.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,001.80 : 999,002.70 = 498,040.20 : x
  2. Step 2: Convert to fraction form
    666,001.80/999,002.70 = 498,040.20/x
  3. Step 3: Cross multiply
    666,001.80x = 999,002.70 × 498,040.20
  4. Step 4: Simplify right side
    666,001.80x = 497,543,504,508.54
  5. Step 5: Solve for x
    x = 497,543,504,508.54/666,001.80
  6. Step 6: Final answer
    x = 747,060.30

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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.