Home / 917,150.40-1,375,725.60-581,227.20

Finding the Fourth Proportional to 917,150.40, 1,375,725.60 and 581,227.20

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Solution

The fourth proportional to 917,150.40, 1,375,725.60 and 581,227.20 is: 871,840.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,150.40 : 1,375,725.60 = 581,227.20 : x
  2. Step 2: Convert to fraction form
    917,150.40/1,375,725.60 = 581,227.20/x
  3. Step 3: Cross multiply
    917,150.40x = 1,375,725.60 × 581,227.20
  4. Step 4: Simplify right side
    917,150.40x = 799,609,138,456.32
  5. Step 5: Solve for x
    x = 799,609,138,456.32/917,150.40
  6. Step 6: Final answer
    x = 871,840.80

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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.