Home / 989,824.76-1,365,961.80-537,115.76

Finding the Fourth Proportional to 989,824.76, 1,365,961.80 and 537,115.76

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Solution

The fourth proportional to 989,824.76, 1,365,961.80 and 537,115.76 is: 741,221.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,824.76 : 1,365,961.80 = 537,115.76 : x
  2. Step 2: Convert to fraction form
    989,824.76/1,365,961.80 = 537,115.76/x
  3. Step 3: Cross multiply
    989,824.76x = 1,365,961.80 × 537,115.76
  4. Step 4: Simplify right side
    989,824.76x = 733,679,610,337.97
  5. Step 5: Solve for x
    x = 733,679,610,337.97/989,824.76
  6. Step 6: Final answer
    x = 741,221.72

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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.