Home / 838,145.88-1,257,414-239,115.24

Finding the Fourth Proportional to 838,145.88, 1,257,414 and 239,115.24

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Solution

The fourth proportional to 838,145.88, 1,257,414 and 239,115.24 is: 358,728.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,145.88 : 1,257,414 = 239,115.24 : x
  2. Step 2: Convert to fraction form
    838,145.88/1,257,414 = 239,115.24/x
  3. Step 3: Cross multiply
    838,145.88x = 1,257,414 × 239,115.24
  4. Step 4: Simplify right side
    838,145.88x = 300,666,850,389.36
  5. Step 5: Solve for x
    x = 300,666,850,389.36/838,145.88
  6. Step 6: Final answer
    x = 358,728.54

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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.