Home / 458,350.11-687,524.22-258,579.81

Finding the Fourth Proportional to 458,350.11, 687,524.22 and 258,579.81

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Solution

The fourth proportional to 458,350.11, 687,524.22 and 258,579.81 is: 387,869.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,350.11 : 687,524.22 = 258,579.81 : x
  2. Step 2: Convert to fraction form
    458,350.11/687,524.22 = 258,579.81/x
  3. Step 3: Cross multiply
    458,350.11x = 687,524.22 × 258,579.81
  4. Step 4: Simplify right side
    458,350.11x = 177,779,882,178.00
  5. Step 5: Solve for x
    x = 177,779,882,178.00/458,350.11
  6. Step 6: Final answer
    x = 387,869.18

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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.