Home / 771,318.17-1,157,001.87-238,843.80

Finding the Fourth Proportional to 771,318.17, 1,157,001.87 and 238,843.80

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Solution

The fourth proportional to 771,318.17, 1,157,001.87 and 238,843.80 is: 358,273.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,318.17 : 1,157,001.87 = 238,843.80 : x
  2. Step 2: Convert to fraction form
    771,318.17/1,157,001.87 = 238,843.80/x
  3. Step 3: Cross multiply
    771,318.17x = 1,157,001.87 × 238,843.80
  4. Step 4: Simplify right side
    771,318.17x = 276,342,723,237.91
  5. Step 5: Solve for x
    x = 276,342,723,237.91/771,318.17
  6. Step 6: Final answer
    x = 358,273.32

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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.