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Finding the Fourth Proportional to 666,565.38, 999,848.04 and 366,891.69

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Solution

The fourth proportional to 666,565.38, 999,848.04 and 366,891.69 is: 550,337.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,565.38 : 999,848.04 = 366,891.69 : x
  2. Step 2: Convert to fraction form
    666,565.38/999,848.04 = 366,891.69/x
  3. Step 3: Cross multiply
    666,565.38x = 999,848.04 × 366,891.69
  4. Step 4: Simplify right side
    666,565.38x = 366,835,937,138.79
  5. Step 5: Solve for x
    x = 366,835,937,138.79/666,565.38
  6. Step 6: Final answer
    x = 550,337.52

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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.