Home / 695,186.14-1,042,398.24-215,280.72

Finding the Fourth Proportional to 695,186.14, 1,042,398.24 and 215,280.72

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Solution

The fourth proportional to 695,186.14, 1,042,398.24 and 215,280.72 is: 322,803.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,186.14 : 1,042,398.24 = 215,280.72 : x
  2. Step 2: Convert to fraction form
    695,186.14/1,042,398.24 = 215,280.72/x
  3. Step 3: Cross multiply
    695,186.14x = 1,042,398.24 × 215,280.72
  4. Step 4: Simplify right side
    695,186.14x = 224,408,243,633.93
  5. Step 5: Solve for x
    x = 224,408,243,633.93/695,186.14
  6. Step 6: Final answer
    x = 322,803.10

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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.