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Finding the Fourth Proportional to 587,857.50, 810,305.88 and 442,444.73

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Solution

The fourth proportional to 587,857.50, 810,305.88 and 442,444.73 is: 609,868.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,857.50 : 810,305.88 = 442,444.73 : x
  2. Step 2: Convert to fraction form
    587,857.50/810,305.88 = 442,444.73/x
  3. Step 3: Cross multiply
    587,857.50x = 810,305.88 × 442,444.73
  4. Step 4: Simplify right side
    587,857.50x = 358,515,565,141.29
  5. Step 5: Solve for x
    x = 358,515,565,141.29/587,857.50
  6. Step 6: Final answer
    x = 609,868.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.