Home / 719,891.52-1,080,034.14-315,010.11

Finding the Fourth Proportional to 719,891.52, 1,080,034.14 and 315,010.11

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Solution

The fourth proportional to 719,891.52, 1,080,034.14 and 315,010.11 is: 472,601.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,891.52 : 1,080,034.14 = 315,010.11 : x
  2. Step 2: Convert to fraction form
    719,891.52/1,080,034.14 = 315,010.11/x
  3. Step 3: Cross multiply
    719,891.52x = 1,080,034.14 × 315,010.11
  4. Step 4: Simplify right side
    719,891.52x = 340,221,673,245.16
  5. Step 5: Solve for x
    x = 340,221,673,245.16/719,891.52
  6. Step 6: Final answer
    x = 472,601.31

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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.