Home / 917,179.46-1,375,300.74-538,839.26

Finding the Fourth Proportional to 917,179.46, 1,375,300.74 and 538,839.26

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Solution

The fourth proportional to 917,179.46, 1,375,300.74 and 538,839.26 is: 807,983.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,179.46 : 1,375,300.74 = 538,839.26 : x
  2. Step 2: Convert to fraction form
    917,179.46/1,375,300.74 = 538,839.26/x
  3. Step 3: Cross multiply
    917,179.46x = 1,375,300.74 × 538,839.26
  4. Step 4: Simplify right side
    917,179.46x = 741,066,033,019.05
  5. Step 5: Solve for x
    x = 741,066,033,019.05/917,179.46
  6. Step 6: Final answer
    x = 807,983.68

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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.