Home / 790,972.92-1,091,543.76-428,397.48

Finding the Fourth Proportional to 790,972.92, 1,091,543.76 and 428,397.48

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Solution

The fourth proportional to 790,972.92, 1,091,543.76 and 428,397.48 is: 591,189.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,972.92 : 1,091,543.76 = 428,397.48 : x
  2. Step 2: Convert to fraction form
    790,972.92/1,091,543.76 = 428,397.48/x
  3. Step 3: Cross multiply
    790,972.92x = 1,091,543.76 × 428,397.48
  4. Step 4: Simplify right side
    790,972.92x = 467,614,596,093.73
  5. Step 5: Solve for x
    x = 467,614,596,093.73/790,972.92
  6. Step 6: Final answer
    x = 591,189.13

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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.