Home / 831,815.95-1,247,944.98-263,207.15

Finding the Fourth Proportional to 831,815.95, 1,247,944.98 and 263,207.15

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Solution

The fourth proportional to 831,815.95, 1,247,944.98 and 263,207.15 is: 394,880.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,815.95 : 1,247,944.98 = 263,207.15 : x
  2. Step 2: Convert to fraction form
    831,815.95/1,247,944.98 = 263,207.15/x
  3. Step 3: Cross multiply
    831,815.95x = 1,247,944.98 × 263,207.15
  4. Step 4: Simplify right side
    831,815.95x = 328,468,044,662.47
  5. Step 5: Solve for x
    x = 328,468,044,662.47/831,815.95
  6. Step 6: Final answer
    x = 394,880.68

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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.