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Finding the Fourth Proportional to 666,001.35, 999,002.03 and 610,888.95

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Solution

The fourth proportional to 666,001.35, 999,002.03 and 610,888.95 is: 916,333.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,001.35 : 999,002.03 = 610,888.95 : x
  2. Step 2: Convert to fraction form
    666,001.35/999,002.03 = 610,888.95/x
  3. Step 3: Cross multiply
    666,001.35x = 999,002.03 × 610,888.95
  4. Step 4: Simplify right side
    666,001.35x = 610,279,298,100.12
  5. Step 5: Solve for x
    x = 610,279,298,100.12/666,001.35
  6. Step 6: Final answer
    x = 916,333.43

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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.