Home / 807,080.88-1,113,505.02-520,791.24

Finding the Fourth Proportional to 807,080.88, 1,113,505.02 and 520,791.24

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Solution

The fourth proportional to 807,080.88, 1,113,505.02 and 520,791.24 is: 718,519.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,080.88 : 1,113,505.02 = 520,791.24 : x
  2. Step 2: Convert to fraction form
    807,080.88/1,113,505.02 = 520,791.24/x
  3. Step 3: Cross multiply
    807,080.88x = 1,113,505.02 × 520,791.24
  4. Step 4: Simplify right side
    807,080.88x = 579,903,660,112.03
  5. Step 5: Solve for x
    x = 579,903,660,112.03/807,080.88
  6. Step 6: Final answer
    x = 718,519.88

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1.5x scale

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.