Home / 458,304.13-687,454.98-258,533.83

Finding the Fourth Proportional to 458,304.13, 687,454.98 and 258,533.83

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Solution

The fourth proportional to 458,304.13, 687,454.98 and 258,533.83 is: 387,800.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,304.13 : 687,454.98 = 258,533.83 : x
  2. Step 2: Convert to fraction form
    458,304.13/687,454.98 = 258,533.83/x
  3. Step 3: Cross multiply
    458,304.13x = 687,454.98 × 258,533.83
  4. Step 4: Simplify right side
    458,304.13x = 177,730,368,931.97
  5. Step 5: Solve for x
    x = 177,730,368,931.97/458,304.13
  6. Step 6: Final answer
    x = 387,800.06

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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.