Home / 458,017.79-687,031.08-173,631.85

Finding the Fourth Proportional to 458,017.79, 687,031.08 and 173,631.85

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Solution

The fourth proportional to 458,017.79, 687,031.08 and 173,631.85 is: 260,449.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,017.79 : 687,031.08 = 173,631.85 : x
  2. Step 2: Convert to fraction form
    458,017.79/687,031.08 = 173,631.85/x
  3. Step 3: Cross multiply
    458,017.79x = 687,031.08 × 173,631.85
  4. Step 4: Simplify right side
    458,017.79x = 119,290,475,710.32
  5. Step 5: Solve for x
    x = 119,290,475,710.32/458,017.79
  6. Step 6: Final answer
    x = 260,449.44

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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.