Home / 790,952.05-1,091,513.45-428,375.89

Finding the Fourth Proportional to 790,952.05, 1,091,513.45 and 428,375.89

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Solution

The fourth proportional to 790,952.05, 1,091,513.45 and 428,375.89 is: 591,158.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,952.05 : 1,091,513.45 = 428,375.89 : x
  2. Step 2: Convert to fraction form
    790,952.05/1,091,513.45 = 428,375.89/x
  3. Step 3: Cross multiply
    790,952.05x = 1,091,513.45 × 428,375.89
  4. Step 4: Simplify right side
    790,952.05x = 467,578,043,932.88
  5. Step 5: Solve for x
    x = 467,578,043,932.88/790,952.05
  6. Step 6: Final answer
    x = 591,158.52

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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.