Home / 727,221.18-1,091,039.13-247,554.30

Finding the Fourth Proportional to 727,221.18, 1,091,039.13 and 247,554.30

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Solution

The fourth proportional to 727,221.18, 1,091,039.13 and 247,554.30 is: 371,402.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,221.18 : 1,091,039.13 = 247,554.30 : x
  2. Step 2: Convert to fraction form
    727,221.18/1,091,039.13 = 247,554.30/x
  3. Step 3: Cross multiply
    727,221.18x = 1,091,039.13 × 247,554.30
  4. Step 4: Simplify right side
    727,221.18x = 270,091,428,099.76
  5. Step 5: Solve for x
    x = 270,091,428,099.76/727,221.18
  6. Step 6: Final answer
    x = 371,402.04

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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.