Home / 784,840.30-1,177,260.45-731,696.20

Finding the Fourth Proportional to 784,840.30, 1,177,260.45 and 731,696.20

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Solution

The fourth proportional to 784,840.30, 1,177,260.45 and 731,696.20 is: 1,097,544.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,840.30 : 1,177,260.45 = 731,696.20 : x
  2. Step 2: Convert to fraction form
    784,840.30/1,177,260.45 = 731,696.20/x
  3. Step 3: Cross multiply
    784,840.30x = 1,177,260.45 × 731,696.20
  4. Step 4: Simplify right side
    784,840.30x = 861,396,997,675.29
  5. Step 5: Solve for x
    x = 861,396,997,675.29/784,840.30
  6. Step 6: Final answer
    x = 1,097,544.30

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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.