Home / 485,555.31-670,067.24-270,691.07

Finding the Fourth Proportional to 485,555.31, 670,067.24 and 270,691.07

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Solution

The fourth proportional to 485,555.31, 670,067.24 and 270,691.07 is: 373,554.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,555.31 : 670,067.24 = 270,691.07 : x
  2. Step 2: Convert to fraction form
    485,555.31/670,067.24 = 270,691.07/x
  3. Step 3: Cross multiply
    485,555.31x = 670,067.24 × 270,691.07
  4. Step 4: Simplify right side
    485,555.31x = 181,381,213,463.76
  5. Step 5: Solve for x
    x = 181,381,213,463.76/485,555.31
  6. Step 6: Final answer
    x = 373,554.18

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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.