Home / 949,719.64-1,310,718.12-541,921.90

Finding the Fourth Proportional to 949,719.64, 1,310,718.12 and 541,921.90

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Solution

The fourth proportional to 949,719.64, 1,310,718.12 and 541,921.90 is: 747,912.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,719.64 : 1,310,718.12 = 541,921.90 : x
  2. Step 2: Convert to fraction form
    949,719.64/1,310,718.12 = 541,921.90/x
  3. Step 3: Cross multiply
    949,719.64x = 1,310,718.12 × 541,921.90
  4. Step 4: Simplify right side
    949,719.64x = 710,306,853,954.83
  5. Step 5: Solve for x
    x = 710,306,853,954.83/949,719.64
  6. Step 6: Final answer
    x = 747,912.15

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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.