Home / 578,211.40-867,576.30-262,505.80

Finding the Fourth Proportional to 578,211.40, 867,576.30 and 262,505.80

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Solution

The fourth proportional to 578,211.40, 867,576.30 and 262,505.80 is: 393,876.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,211.40 : 867,576.30 = 262,505.80 : x
  2. Step 2: Convert to fraction form
    578,211.40/867,576.30 = 262,505.80/x
  3. Step 3: Cross multiply
    578,211.40x = 867,576.30 × 262,505.80
  4. Step 4: Simplify right side
    578,211.40x = 227,743,810,692.54
  5. Step 5: Solve for x
    x = 227,743,810,692.54/578,211.40
  6. Step 6: Final answer
    x = 393,876.38

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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.