Home / 789,874.35-1,090,031.76-483,951.39

Finding the Fourth Proportional to 789,874.35, 1,090,031.76 and 483,951.39

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Solution

The fourth proportional to 789,874.35, 1,090,031.76 and 483,951.39 is: 667,856.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,874.35 : 1,090,031.76 = 483,951.39 : x
  2. Step 2: Convert to fraction form
    789,874.35/1,090,031.76 = 483,951.39/x
  3. Step 3: Cross multiply
    789,874.35x = 1,090,031.76 × 483,951.39
  4. Step 4: Simplify right side
    789,874.35x = 527,522,385,396.15
  5. Step 5: Solve for x
    x = 527,522,385,396.15/789,874.35
  6. Step 6: Final answer
    x = 667,856.08

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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.