Home / 951,510.08-1,427,318.88-419,279.68

Finding the Fourth Proportional to 951,510.08, 1,427,318.88 and 419,279.68

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Solution

The fourth proportional to 951,510.08, 1,427,318.88 and 419,279.68 is: 628,943.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,510.08 : 1,427,318.88 = 419,279.68 : x
  2. Step 2: Convert to fraction form
    951,510.08/1,427,318.88 = 419,279.68/x
  3. Step 3: Cross multiply
    951,510.08x = 1,427,318.88 × 419,279.68
  4. Step 4: Simplify right side
    951,510.08x = 598,445,803,264.36
  5. Step 5: Solve for x
    x = 598,445,803,264.36/951,510.08
  6. Step 6: Final answer
    x = 628,943.21

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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.