Home / 712,912.50-1,069,382.52-263,401.38

Finding the Fourth Proportional to 712,912.50, 1,069,382.52 and 263,401.38

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Solution

The fourth proportional to 712,912.50, 1,069,382.52 and 263,401.38 is: 395,107.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,912.50 : 1,069,382.52 = 263,401.38 : x
  2. Step 2: Convert to fraction form
    712,912.50/1,069,382.52 = 263,401.38/x
  3. Step 3: Cross multiply
    712,912.50x = 1,069,382.52 × 263,401.38
  4. Step 4: Simplify right side
    712,912.50x = 281,676,831,515.88
  5. Step 5: Solve for x
    x = 281,676,831,515.88/712,912.50
  6. Step 6: Final answer
    x = 395,107.16

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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.