Home / 781,697.55-1,171,756.92-376,294.38

Finding the Fourth Proportional to 781,697.55, 1,171,756.92 and 376,294.38

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Solution

The fourth proportional to 781,697.55, 1,171,756.92 and 376,294.38 is: 564,061.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,697.55 : 1,171,756.92 = 376,294.38 : x
  2. Step 2: Convert to fraction form
    781,697.55/1,171,756.92 = 376,294.38/x
  3. Step 3: Cross multiply
    781,697.55x = 1,171,756.92 × 376,294.38
  4. Step 4: Simplify right side
    781,697.55x = 440,925,543,722.11
  5. Step 5: Solve for x
    x = 440,925,543,722.11/781,697.55
  6. Step 6: Final answer
    x = 564,061.57

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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.