Home / 865,821.28-1,194,793.32-483,844.72

Finding the Fourth Proportional to 865,821.28, 1,194,793.32 and 483,844.72

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Solution

The fourth proportional to 865,821.28, 1,194,793.32 and 483,844.72 is: 667,683.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,821.28 : 1,194,793.32 = 483,844.72 : x
  2. Step 2: Convert to fraction form
    865,821.28/1,194,793.32 = 483,844.72/x
  3. Step 3: Cross multiply
    865,821.28x = 1,194,793.32 × 483,844.72
  4. Step 4: Simplify right side
    865,821.28x = 578,094,439,373.27
  5. Step 5: Solve for x
    x = 578,094,439,373.27/865,821.28
  6. Step 6: Final answer
    x = 667,683.33

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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.