Home / 485,451.27-669,945.44-270,592.89

Finding the Fourth Proportional to 485,451.27, 669,945.44 and 270,592.89

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Solution

The fourth proportional to 485,451.27, 669,945.44 and 270,592.89 is: 373,430.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,451.27 : 669,945.44 = 270,592.89 : x
  2. Step 2: Convert to fraction form
    485,451.27/669,945.44 = 270,592.89/x
  3. Step 3: Cross multiply
    485,451.27x = 669,945.44 × 270,592.89
  4. Step 4: Simplify right side
    485,451.27x = 181,282,471,398.96
  5. Step 5: Solve for x
    x = 181,282,471,398.96/485,451.27
  6. Step 6: Final answer
    x = 373,430.83

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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.