Home / 718,062.71-1,077,278.61-268,790.05

Finding the Fourth Proportional to 718,062.71, 1,077,278.61 and 268,790.05

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Solution

The fourth proportional to 718,062.71, 1,077,278.61 and 268,790.05 is: 403,254.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,062.71 : 1,077,278.61 = 268,790.05 : x
  2. Step 2: Convert to fraction form
    718,062.71/1,077,278.61 = 268,790.05/x
  3. Step 3: Cross multiply
    718,062.71x = 1,077,278.61 × 268,790.05
  4. Step 4: Simplify right side
    718,062.71x = 289,561,766,059.44
  5. Step 5: Solve for x
    x = 289,561,766,059.44/718,062.71
  6. Step 6: Final answer
    x = 403,254.15

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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.