Home / 578,169.89-867,249.97-451,916.33

Finding the Fourth Proportional to 578,169.89, 867,249.97 and 451,916.33

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Solution

The fourth proportional to 578,169.89, 867,249.97 and 451,916.33 is: 677,870.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,169.89 : 867,249.97 = 451,916.33 : x
  2. Step 2: Convert to fraction form
    578,169.89/867,249.97 = 451,916.33/x
  3. Step 3: Cross multiply
    578,169.89x = 867,249.97 × 451,916.33
  4. Step 4: Simplify right side
    578,169.89x = 391,924,423,635.01
  5. Step 5: Solve for x
    x = 391,924,423,635.01/578,169.89
  6. Step 6: Final answer
    x = 677,870.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.