Home / 918,540.52-1,375,816.98-444,231.28

Finding the Fourth Proportional to 918,540.52, 1,375,816.98 and 444,231.28

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Solution

The fourth proportional to 918,540.52, 1,375,816.98 and 444,231.28 is: 665,382.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,540.52 : 1,375,816.98 = 444,231.28 : x
  2. Step 2: Convert to fraction form
    918,540.52/1,375,816.98 = 444,231.28/x
  3. Step 3: Cross multiply
    918,540.52x = 1,375,816.98 × 444,231.28
  4. Step 4: Simplify right side
    918,540.52x = 611,180,938,071.13
  5. Step 5: Solve for x
    x = 611,180,938,071.13/918,540.52
  6. Step 6: Final answer
    x = 665,382.66

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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.