Home / 719,131.82-991,982.88-460,916.78

Finding the Fourth Proportional to 719,131.82, 991,982.88 and 460,916.78

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Solution

The fourth proportional to 719,131.82, 991,982.88 and 460,916.78 is: 635,796.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,131.82 : 991,982.88 = 460,916.78 : x
  2. Step 2: Convert to fraction form
    719,131.82/991,982.88 = 460,916.78/x
  3. Step 3: Cross multiply
    719,131.82x = 991,982.88 × 460,916.78
  4. Step 4: Simplify right side
    719,131.82x = 457,221,554,864.73
  5. Step 5: Solve for x
    x = 457,221,554,864.73/719,131.82
  6. Step 6: Final answer
    x = 635,796.58

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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.