Home / 396,960.95-596,207.34-340,163.61

Finding the Fourth Proportional to 396,960.95, 596,207.34 and 340,163.61

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Solution

The fourth proportional to 396,960.95, 596,207.34 and 340,163.61 is: 510,901.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,960.95 : 596,207.34 = 340,163.61 : x
  2. Step 2: Convert to fraction form
    396,960.95/596,207.34 = 340,163.61/x
  3. Step 3: Cross multiply
    396,960.95x = 596,207.34 × 340,163.61
  4. Step 4: Simplify right side
    396,960.95x = 202,808,041,082.90
  5. Step 5: Solve for x
    x = 202,808,041,082.90/396,960.95
  6. Step 6: Final answer
    x = 510,901.74

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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.