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Finding the Fourth Proportional to 666,962.52, 999,830.72 and 240,393.96

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Solution

The fourth proportional to 666,962.52, 999,830.72 and 240,393.96 is: 360,369.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,962.52 : 999,830.72 = 240,393.96 : x
  2. Step 2: Convert to fraction form
    666,962.52/999,830.72 = 240,393.96/x
  3. Step 3: Cross multiply
    666,962.52x = 999,830.72 × 240,393.96
  4. Step 4: Simplify right side
    666,962.52x = 240,353,266,110.45
  5. Step 5: Solve for x
    x = 240,353,266,110.45/666,962.52
  6. Step 6: Final answer
    x = 360,369.97

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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.