Home / 702,080.80-1,053,121.20-613,507.30

Finding the Fourth Proportional to 702,080.80, 1,053,121.20 and 613,507.30

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Solution

The fourth proportional to 702,080.80, 1,053,121.20 and 613,507.30 is: 920,260.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,080.80 : 1,053,121.20 = 613,507.30 : x
  2. Step 2: Convert to fraction form
    702,080.80/1,053,121.20 = 613,507.30/x
  3. Step 3: Cross multiply
    702,080.80x = 1,053,121.20 × 613,507.30
  4. Step 4: Simplify right side
    702,080.80x = 646,097,543,984.76
  5. Step 5: Solve for x
    x = 646,097,543,984.76/702,080.80
  6. Step 6: Final answer
    x = 920,260.95

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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.