Home / 718,754.20-1,077,815.52-269,159.74

Finding the Fourth Proportional to 718,754.20, 1,077,815.52 and 269,159.74

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Solution

The fourth proportional to 718,754.20, 1,077,815.52 and 269,159.74 is: 403,621.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,754.20 : 1,077,815.52 = 269,159.74 : x
  2. Step 2: Convert to fraction form
    718,754.20/1,077,815.52 = 269,159.74/x
  3. Step 3: Cross multiply
    718,754.20x = 1,077,815.52 × 269,159.74
  4. Step 4: Simplify right side
    718,754.20x = 290,104,545,131.17
  5. Step 5: Solve for x
    x = 290,104,545,131.17/718,754.20
  6. Step 6: Final answer
    x = 403,621.36

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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.