Home / 539,979.08-745,178.28-298,261.04

Finding the Fourth Proportional to 539,979.08, 745,178.28 and 298,261.04

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Solution

The fourth proportional to 539,979.08, 745,178.28 and 298,261.04 is: 411,604.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,979.08 : 745,178.28 = 298,261.04 : x
  2. Step 2: Convert to fraction form
    539,979.08/745,178.28 = 298,261.04/x
  3. Step 3: Cross multiply
    539,979.08x = 745,178.28 × 298,261.04
  4. Step 4: Simplify right side
    539,979.08x = 222,257,648,778.21
  5. Step 5: Solve for x
    x = 222,257,648,778.21/539,979.08
  6. Step 6: Final answer
    x = 411,604.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.