Home / 485,240.97-669,623.51-270,376.46

Finding the Fourth Proportional to 485,240.97, 669,623.51 and 270,376.46

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Solution

The fourth proportional to 485,240.97, 669,623.51 and 270,376.46 is: 373,114.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,240.97 : 669,623.51 = 270,376.46 : x
  2. Step 2: Convert to fraction form
    485,240.97/669,623.51 = 270,376.46/x
  3. Step 3: Cross multiply
    485,240.97x = 669,623.51 × 270,376.46
  4. Step 4: Simplify right side
    485,240.97x = 181,050,431,494.40
  5. Step 5: Solve for x
    x = 181,050,431,494.40/485,240.97
  6. Step 6: Final answer
    x = 373,114.48

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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.