Home / 458,045.55-687,068.33-384,562.35

Finding the Fourth Proportional to 458,045.55, 687,068.33 and 384,562.35

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Solution

The fourth proportional to 458,045.55, 687,068.33 and 384,562.35 is: 576,843.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,045.55 : 687,068.33 = 384,562.35 : x
  2. Step 2: Convert to fraction form
    458,045.55/687,068.33 = 384,562.35/x
  3. Step 3: Cross multiply
    458,045.55x = 687,068.33 × 384,562.35
  4. Step 4: Simplify right side
    458,045.55x = 264,220,609,672.56
  5. Step 5: Solve for x
    x = 264,220,609,672.56/458,045.55
  6. Step 6: Final answer
    x = 576,843.53

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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.