Home / 850,512.40-1,274,456.40-737,663.20

Finding the Fourth Proportional to 850,512.40, 1,274,456.40 and 737,663.20

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Solution

The fourth proportional to 850,512.40, 1,274,456.40 and 737,663.20 is: 1,105,356.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,512.40 : 1,274,456.40 = 737,663.20 : x
  2. Step 2: Convert to fraction form
    850,512.40/1,274,456.40 = 737,663.20/x
  3. Step 3: Cross multiply
    850,512.40x = 1,274,456.40 × 737,663.20
  4. Step 4: Simplify right side
    850,512.40x = 940,119,586,284.48
  5. Step 5: Solve for x
    x = 940,119,586,284.48/850,512.40
  6. Step 6: Final answer
    x = 1,105,356.71

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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.