Home / 784,836.30-1,177,254.45-731,692.20

Finding the Fourth Proportional to 784,836.30, 1,177,254.45 and 731,692.20

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Solution

The fourth proportional to 784,836.30, 1,177,254.45 and 731,692.20 is: 1,097,538.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,836.30 : 1,177,254.45 = 731,692.20 : x
  2. Step 2: Convert to fraction form
    784,836.30/1,177,254.45 = 731,692.20/x
  3. Step 3: Cross multiply
    784,836.30x = 1,177,254.45 × 731,692.20
  4. Step 4: Simplify right side
    784,836.30x = 861,387,898,480.29
  5. Step 5: Solve for x
    x = 861,387,898,480.29/784,836.30
  6. Step 6: Final answer
    x = 1,097,538.30

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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.