Home / 785,940.04-1,084,597.28-428,244.04

Finding the Fourth Proportional to 785,940.04, 1,084,597.28 and 428,244.04

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Solution

The fourth proportional to 785,940.04, 1,084,597.28 and 428,244.04 is: 590,976.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,940.04 : 1,084,597.28 = 428,244.04 : x
  2. Step 2: Convert to fraction form
    785,940.04/1,084,597.28 = 428,244.04/x
  3. Step 3: Cross multiply
    785,940.04x = 1,084,597.28 × 428,244.04
  4. Step 4: Simplify right side
    785,940.04x = 464,472,320,960.21
  5. Step 5: Solve for x
    x = 464,472,320,960.21/785,940.04
  6. Step 6: Final answer
    x = 590,976.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.