Home / 831,846.10-1,247,765.10-326,049.70

Finding the Fourth Proportional to 831,846.10, 1,247,765.10 and 326,049.70

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Solution

The fourth proportional to 831,846.10, 1,247,765.10 and 326,049.70 is: 489,072.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,846.10 : 1,247,765.10 = 326,049.70 : x
  2. Step 2: Convert to fraction form
    831,846.10/1,247,765.10 = 326,049.70/x
  3. Step 3: Cross multiply
    831,846.10x = 1,247,765.10 × 326,049.70
  4. Step 4: Simplify right side
    831,846.10x = 406,833,436,525.47
  5. Step 5: Solve for x
    x = 406,833,436,525.47/831,846.10
  6. Step 6: Final answer
    x = 489,072.96

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1.5x scale

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.