Home / 791,267.16-1,091,949.76-428,691.03

Finding the Fourth Proportional to 791,267.16, 1,091,949.76 and 428,691.03

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Solution

The fourth proportional to 791,267.16, 1,091,949.76 and 428,691.03 is: 591,594.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,267.16 : 1,091,949.76 = 428,691.03 : x
  2. Step 2: Convert to fraction form
    791,267.16/1,091,949.76 = 428,691.03/x
  3. Step 3: Cross multiply
    791,267.16x = 1,091,949.76 × 428,691.03
  4. Step 4: Simplify right side
    791,267.16x = 468,109,071,953.33
  5. Step 5: Solve for x
    x = 468,109,071,953.33/791,267.16
  6. Step 6: Final answer
    x = 591,594.21

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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.