Home / 458,020.79-687,035.58-173,634.85

Finding the Fourth Proportional to 458,020.79, 687,035.58 and 173,634.85

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Solution

The fourth proportional to 458,020.79, 687,035.58 and 173,634.85 is: 260,453.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,020.79 : 687,035.58 = 173,634.85 : x
  2. Step 2: Convert to fraction form
    458,020.79/687,035.58 = 173,634.85/x
  3. Step 3: Cross multiply
    458,020.79x = 687,035.58 × 173,634.85
  4. Step 4: Simplify right side
    458,020.79x = 119,293,319,877.96
  5. Step 5: Solve for x
    x = 119,293,319,877.96/458,020.79
  6. Step 6: Final answer
    x = 260,453.94

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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.