Home / 714,429.16-1,071,643.72-215,793.16

Finding the Fourth Proportional to 714,429.16, 1,071,643.72 and 215,793.16

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Solution

The fourth proportional to 714,429.16, 1,071,643.72 and 215,793.16 is: 323,689.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,429.16 : 1,071,643.72 = 215,793.16 : x
  2. Step 2: Convert to fraction form
    714,429.16/1,071,643.72 = 215,793.16/x
  3. Step 3: Cross multiply
    714,429.16x = 1,071,643.72 × 215,793.16
  4. Step 4: Simplify right side
    714,429.16x = 231,253,384,732.96
  5. Step 5: Solve for x
    x = 231,253,384,732.96/714,429.16
  6. Step 6: Final answer
    x = 323,689.73

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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.