Home / 391,260.83-586,127.19-269,659.61

Finding the Fourth Proportional to 391,260.83, 586,127.19 and 269,659.61

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Solution

The fourth proportional to 391,260.83, 586,127.19 and 269,659.61 is: 403,962.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,260.83 : 586,127.19 = 269,659.61 : x
  2. Step 2: Convert to fraction form
    391,260.83/586,127.19 = 269,659.61/x
  3. Step 3: Cross multiply
    391,260.83x = 586,127.19 × 269,659.61
  4. Step 4: Simplify right side
    391,260.83x = 158,054,829,465.80
  5. Step 5: Solve for x
    x = 158,054,829,465.80/391,260.83
  6. Step 6: Final answer
    x = 403,962.82

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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.