Home / 686,928.46-1,029,092.13-458,535.41

Finding the Fourth Proportional to 686,928.46, 1,029,092.13 and 458,535.41

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Solution

The fourth proportional to 686,928.46, 1,029,092.13 and 458,535.41 is: 686,934.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,928.46 : 1,029,092.13 = 458,535.41 : x
  2. Step 2: Convert to fraction form
    686,928.46/1,029,092.13 = 458,535.41/x
  3. Step 3: Cross multiply
    686,928.46x = 1,029,092.13 × 458,535.41
  4. Step 4: Simplify right side
    686,928.46x = 471,875,181,757.32
  5. Step 5: Solve for x
    x = 471,875,181,757.32/686,928.46
  6. Step 6: Final answer
    x = 686,934.97

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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.