Home / 790,983.52-1,091,551.12-428,398.88

Finding the Fourth Proportional to 790,983.52, 1,091,551.12 and 428,398.88

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Solution

The fourth proportional to 790,983.52, 1,091,551.12 and 428,398.88 is: 591,187.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,983.52 : 1,091,551.12 = 428,398.88 : x
  2. Step 2: Convert to fraction form
    790,983.52/1,091,551.12 = 428,398.88/x
  3. Step 3: Cross multiply
    790,983.52x = 1,091,551.12 × 428,398.88
  4. Step 4: Simplify right side
    790,983.52x = 467,619,277,270.75
  5. Step 5: Solve for x
    x = 467,619,277,270.75/790,983.52
  6. Step 6: Final answer
    x = 591,187.13

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