Home / 790,781.00-1,091,282.97-428,204.88

Finding the Fourth Proportional to 790,781.00, 1,091,282.97 and 428,204.88

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Solution

The fourth proportional to 790,781.00, 1,091,282.97 and 428,204.88 is: 590,925.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,781.00 : 1,091,282.97 = 428,204.88 : x
  2. Step 2: Convert to fraction form
    790,781.00/1,091,282.97 = 428,204.88/x
  3. Step 3: Cross multiply
    790,781.00x = 1,091,282.97 × 428,204.88
  4. Step 4: Simplify right side
    790,781.00x = 467,292,693,214.89
  5. Step 5: Solve for x
    x = 467,292,693,214.89/790,781.00
  6. Step 6: Final answer
    x = 590,925.55

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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.