Home / 982,868.59-1,356,777.15-660,765.50

Finding the Fourth Proportional to 982,868.59, 1,356,777.15 and 660,765.50

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Solution

The fourth proportional to 982,868.59, 1,356,777.15 and 660,765.50 is: 912,137.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,868.59 : 1,356,777.15 = 660,765.50 : x
  2. Step 2: Convert to fraction form
    982,868.59/1,356,777.15 = 660,765.50/x
  3. Step 3: Cross multiply
    982,868.59x = 1,356,777.15 × 660,765.50
  4. Step 4: Simplify right side
    982,868.59x = 896,511,531,908.33
  5. Step 5: Solve for x
    x = 896,511,531,908.33/982,868.59
  6. Step 6: Final answer
    x = 912,137.74

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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.