Home / 791,216.04-1,091,876.66-428,648.96

Finding the Fourth Proportional to 791,216.04, 1,091,876.66 and 428,648.96

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Solution

The fourth proportional to 791,216.04, 1,091,876.66 and 428,648.96 is: 591,534.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,216.04 : 1,091,876.66 = 428,648.96 : x
  2. Step 2: Convert to fraction form
    791,216.04/1,091,876.66 = 428,648.96/x
  3. Step 3: Cross multiply
    791,216.04x = 1,091,876.66 × 428,648.96
  4. Step 4: Simplify right side
    791,216.04x = 468,031,794,757.27
  5. Step 5: Solve for x
    x = 468,031,794,757.27/791,216.04
  6. Step 6: Final answer
    x = 591,534.77

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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.