Home / 716,220.62-1,074,398.36-210,781.83

Finding the Fourth Proportional to 716,220.62, 1,074,398.36 and 210,781.83

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Solution

The fourth proportional to 716,220.62, 1,074,398.36 and 210,781.83 is: 316,192.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,220.62 : 1,074,398.36 = 210,781.83 : x
  2. Step 2: Convert to fraction form
    716,220.62/1,074,398.36 = 210,781.83/x
  3. Step 3: Cross multiply
    716,220.62x = 1,074,398.36 × 210,781.83
  4. Step 4: Simplify right side
    716,220.62x = 226,463,652,469.80
  5. Step 5: Solve for x
    x = 226,463,652,469.80/716,220.62
  6. Step 6: Final answer
    x = 316,192.59

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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.