Home / 703,909.46-1,055,601.72-366,805.28

Finding the Fourth Proportional to 703,909.46, 1,055,601.72 and 366,805.28

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Solution

The fourth proportional to 703,909.46, 1,055,601.72 and 366,805.28 is: 550,071.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,909.46 : 1,055,601.72 = 366,805.28 : x
  2. Step 2: Convert to fraction form
    703,909.46/1,055,601.72 = 366,805.28/x
  3. Step 3: Cross multiply
    703,909.46x = 1,055,601.72 × 366,805.28
  4. Step 4: Simplify right side
    703,909.46x = 387,200,284,473.08
  5. Step 5: Solve for x
    x = 387,200,284,473.08/703,909.46
  6. Step 6: Final answer
    x = 550,071.15

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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.