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Finding the Fourth Proportional to 576,677.80, 863,870.46 and 451,432.36

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Solution

The fourth proportional to 576,677.80, 863,870.46 and 451,432.36 is: 676,251.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,677.80 : 863,870.46 = 451,432.36 : x
  2. Step 2: Convert to fraction form
    576,677.80/863,870.46 = 451,432.36/x
  3. Step 3: Cross multiply
    576,677.80x = 863,870.46 × 451,432.36
  4. Step 4: Simplify right side
    576,677.80x = 389,979,080,492.09
  5. Step 5: Solve for x
    x = 389,979,080,492.09/576,677.80
  6. Step 6: Final answer
    x = 676,251.25

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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.