Home / 754,439.64-1,041,139.32-432,177.84

Finding the Fourth Proportional to 754,439.64, 1,041,139.32 and 432,177.84

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Solution

The fourth proportional to 754,439.64, 1,041,139.32 and 432,177.84 is: 596,412.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,439.64 : 1,041,139.32 = 432,177.84 : x
  2. Step 2: Convert to fraction form
    754,439.64/1,041,139.32 = 432,177.84/x
  3. Step 3: Cross multiply
    754,439.64x = 1,041,139.32 × 432,177.84
  4. Step 4: Simplify right side
    754,439.64x = 449,957,342,456.67
  5. Step 5: Solve for x
    x = 449,957,342,456.67/754,439.64
  6. Step 6: Final answer
    x = 596,412.65

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1.5x scale

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.