Home / 404,945.76-558,730.80-235,079.04

Finding the Fourth Proportional to 404,945.76, 558,730.80 and 235,079.04

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Solution

The fourth proportional to 404,945.76, 558,730.80 and 235,079.04 is: 324,354.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,945.76 : 558,730.80 = 235,079.04 : x
  2. Step 2: Convert to fraction form
    404,945.76/558,730.80 = 235,079.04/x
  3. Step 3: Cross multiply
    404,945.76x = 558,730.80 × 235,079.04
  4. Step 4: Simplify right side
    404,945.76x = 131,345,900,082.43
  5. Step 5: Solve for x
    x = 131,345,900,082.43/404,945.76
  6. Step 6: Final answer
    x = 324,354.30

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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.