Home / 719,667.38-1,079,874.68-293,515.85

Finding the Fourth Proportional to 719,667.38, 1,079,874.68 and 293,515.85

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Solution

The fourth proportional to 719,667.38, 1,079,874.68 and 293,515.85 is: 440,426.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,667.38 : 1,079,874.68 = 293,515.85 : x
  2. Step 2: Convert to fraction form
    719,667.38/1,079,874.68 = 293,515.85/x
  3. Step 3: Cross multiply
    719,667.38x = 1,079,874.68 × 293,515.85
  4. Step 4: Simplify right side
    719,667.38x = 316,960,335,825.79
  5. Step 5: Solve for x
    x = 316,960,335,825.79/719,667.38
  6. Step 6: Final answer
    x = 440,426.15

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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.