Home / 420,962.52-580,939.68-251,295.12

Finding the Fourth Proportional to 420,962.52, 580,939.68 and 251,295.12

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Solution

The fourth proportional to 420,962.52, 580,939.68 and 251,295.12 is: 346,794.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,962.52 : 580,939.68 = 251,295.12 : x
  2. Step 2: Convert to fraction form
    420,962.52/580,939.68 = 251,295.12/x
  3. Step 3: Cross multiply
    420,962.52x = 580,939.68 × 251,295.12
  4. Step 4: Simplify right side
    420,962.52x = 145,987,306,598.36
  5. Step 5: Solve for x
    x = 145,987,306,598.36/420,962.52
  6. Step 6: Final answer
    x = 346,794.07

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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.