Home / 458,204.18-686,412.25-299,952.86

Finding the Fourth Proportional to 458,204.18, 686,412.25 and 299,952.86

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Solution

The fourth proportional to 458,204.18, 686,412.25 and 299,952.86 is: 449,344.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,204.18 : 686,412.25 = 299,952.86 : x
  2. Step 2: Convert to fraction form
    458,204.18/686,412.25 = 299,952.86/x
  3. Step 3: Cross multiply
    458,204.18x = 686,412.25 × 299,952.86
  4. Step 4: Simplify right side
    458,204.18x = 205,891,317,526.54
  5. Step 5: Solve for x
    x = 205,891,317,526.54/458,204.18
  6. Step 6: Final answer
    x = 449,344.04

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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.