Home / 876,098.98-1,313,645.46-342,995.86

Finding the Fourth Proportional to 876,098.98, 1,313,645.46 and 342,995.86

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Solution

The fourth proportional to 876,098.98, 1,313,645.46 and 342,995.86 is: 514,296.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,098.98 : 1,313,645.46 = 342,995.86 : x
  2. Step 2: Convert to fraction form
    876,098.98/1,313,645.46 = 342,995.86/x
  3. Step 3: Cross multiply
    876,098.98x = 1,313,645.46 × 342,995.86
  4. Step 4: Simplify right side
    876,098.98x = 450,574,954,287.80
  5. Step 5: Solve for x
    x = 450,574,954,287.80/876,098.98
  6. Step 6: Final answer
    x = 514,296.86

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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.