Home / 791,323.28-1,092,024.62-428,756.96

Finding the Fourth Proportional to 791,323.28, 1,092,024.62 and 428,756.96

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Solution

The fourth proportional to 791,323.28, 1,092,024.62 and 428,756.96 is: 591,683.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,323.28 : 1,092,024.62 = 428,756.96 : x
  2. Step 2: Convert to fraction form
    791,323.28/1,092,024.62 = 428,756.96/x
  3. Step 3: Cross multiply
    791,323.28x = 1,092,024.62 × 428,756.96
  4. Step 4: Simplify right side
    791,323.28x = 468,213,151,928.13
  5. Step 5: Solve for x
    x = 468,213,151,928.13/791,323.28
  6. Step 6: Final answer
    x = 591,683.78

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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.