Home / 981,237.31-1,472,427.02-412,577.21

Finding the Fourth Proportional to 981,237.31, 1,472,427.02 and 412,577.21

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Solution

The fourth proportional to 981,237.31, 1,472,427.02 and 412,577.21 is: 619,105.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,237.31 : 1,472,427.02 = 412,577.21 : x
  2. Step 2: Convert to fraction form
    981,237.31/1,472,427.02 = 412,577.21/x
  3. Step 3: Cross multiply
    981,237.31x = 1,472,427.02 × 412,577.21
  4. Step 4: Simplify right side
    981,237.31x = 607,489,829,777.33
  5. Step 5: Solve for x
    x = 607,489,829,777.33/981,237.31
  6. Step 6: Final answer
    x = 619,105.93

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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.