Home / 831,006.86-1,246,732.49-298,532.57

Finding the Fourth Proportional to 831,006.86, 1,246,732.49 and 298,532.57

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Solution

The fourth proportional to 831,006.86, 1,246,732.49 and 298,532.57 is: 447,878.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,006.86 : 1,246,732.49 = 298,532.57 : x
  2. Step 2: Convert to fraction form
    831,006.86/1,246,732.49 = 298,532.57/x
  3. Step 3: Cross multiply
    831,006.86x = 1,246,732.49 × 298,532.57
  4. Step 4: Simplify right side
    831,006.86x = 372,190,248,854.87
  5. Step 5: Solve for x
    x = 372,190,248,854.87/831,006.86
  6. Step 6: Final answer
    x = 447,878.67

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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.