Home / 727,204.52-1,090,441.82-423,696.75

Finding the Fourth Proportional to 727,204.52, 1,090,441.82 and 423,696.75

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Solution

The fourth proportional to 727,204.52, 1,090,441.82 and 423,696.75 is: 635,332.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,204.52 : 1,090,441.82 = 423,696.75 : x
  2. Step 2: Convert to fraction form
    727,204.52/1,090,441.82 = 423,696.75/x
  3. Step 3: Cross multiply
    727,204.52x = 1,090,441.82 × 423,696.75
  4. Step 4: Simplify right side
    727,204.52x = 462,016,653,079.60
  5. Step 5: Solve for x
    x = 462,016,653,079.60/727,204.52
  6. Step 6: Final answer
    x = 635,332.49

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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.