Home / 578,627.85-867,187.78-322,450.22

Finding the Fourth Proportional to 578,627.85, 867,187.78 and 322,450.22

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Solution

The fourth proportional to 578,627.85, 867,187.78 and 322,450.22 is: 483,255.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,627.85 : 867,187.78 = 322,450.22 : x
  2. Step 2: Convert to fraction form
    578,627.85/867,187.78 = 322,450.22/x
  3. Step 3: Cross multiply
    578,627.85x = 867,187.78 × 322,450.22
  4. Step 4: Simplify right side
    578,627.85x = 279,624,890,442.31
  5. Step 5: Solve for x
    x = 279,624,890,442.31/578,627.85
  6. Step 6: Final answer
    x = 483,255.15

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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.