Home / 748,604.67-1,123,000.20-293,137.11

Finding the Fourth Proportional to 748,604.67, 1,123,000.20 and 293,137.11

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Solution

The fourth proportional to 748,604.67, 1,123,000.20 and 293,137.11 is: 439,742.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,604.67 : 1,123,000.20 = 293,137.11 : x
  2. Step 2: Convert to fraction form
    748,604.67/1,123,000.20 = 293,137.11/x
  3. Step 3: Cross multiply
    748,604.67x = 1,123,000.20 × 293,137.11
  4. Step 4: Simplify right side
    748,604.67x = 329,193,033,157.42
  5. Step 5: Solve for x
    x = 329,193,033,157.42/748,604.67
  6. Step 6: Final answer
    x = 439,742.16

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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.