Home / 578,626.35-867,185.54-322,448.72

Finding the Fourth Proportional to 578,626.35, 867,185.54 and 322,448.72

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Solution

The fourth proportional to 578,626.35, 867,185.54 and 322,448.72 is: 483,252.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,626.35 : 867,185.54 = 322,448.72 : x
  2. Step 2: Convert to fraction form
    578,626.35/867,185.54 = 322,448.72/x
  3. Step 3: Cross multiply
    578,626.35x = 867,185.54 × 322,448.72
  4. Step 4: Simplify right side
    578,626.35x = 279,622,861,427.34
  5. Step 5: Solve for x
    x = 279,622,861,427.34/578,626.35
  6. Step 6: Final answer
    x = 483,252.90

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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.