Home / 409,719.40-614,579.10-268,001.80

Finding the Fourth Proportional to 409,719.40, 614,579.10 and 268,001.80

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Solution

The fourth proportional to 409,719.40, 614,579.10 and 268,001.80 is: 402,002.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,719.40 : 614,579.10 = 268,001.80 : x
  2. Step 2: Convert to fraction form
    409,719.40/614,579.10 = 268,001.80/x
  3. Step 3: Cross multiply
    409,719.40x = 614,579.10 × 268,001.80
  4. Step 4: Simplify right side
    409,719.40x = 164,708,305,042.38
  5. Step 5: Solve for x
    x = 164,708,305,042.38/409,719.40
  6. Step 6: Final answer
    x = 402,002.70

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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.