Home / 862,149.15-1,189,718.96-474,889.10

Finding the Fourth Proportional to 862,149.15, 1,189,718.96 and 474,889.10

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Solution

The fourth proportional to 862,149.15, 1,189,718.96 and 474,889.10 is: 655,321.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,149.15 : 1,189,718.96 = 474,889.10 : x
  2. Step 2: Convert to fraction form
    862,149.15/1,189,718.96 = 474,889.10/x
  3. Step 3: Cross multiply
    862,149.15x = 1,189,718.96 × 474,889.10
  4. Step 4: Simplify right side
    862,149.15x = 564,984,557,844.30
  5. Step 5: Solve for x
    x = 564,984,557,844.30/862,149.15
  6. Step 6: Final answer
    x = 655,321.13

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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.