Home / 722,839.48-1,085,252.28-368,091.88

Finding the Fourth Proportional to 722,839.48, 1,085,252.28 and 368,091.88

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Solution

The fourth proportional to 722,839.48, 1,085,252.28 and 368,091.88 is: 552,643.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,839.48 : 1,085,252.28 = 368,091.88 : x
  2. Step 2: Convert to fraction form
    722,839.48/1,085,252.28 = 368,091.88/x
  3. Step 3: Cross multiply
    722,839.48x = 1,085,252.28 × 368,091.88
  4. Step 4: Simplify right side
    722,839.48x = 399,472,552,019.49
  5. Step 5: Solve for x
    x = 399,472,552,019.49/722,839.48
  6. Step 6: Final answer
    x = 552,643.52

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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.