Home / 668,301.70-1,002,452.55-314,007.70

Finding the Fourth Proportional to 668,301.70, 1,002,452.55 and 314,007.70

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Solution

The fourth proportional to 668,301.70, 1,002,452.55 and 314,007.70 is: 471,011.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,301.70 : 1,002,452.55 = 314,007.70 : x
  2. Step 2: Convert to fraction form
    668,301.70/1,002,452.55 = 314,007.70/x
  3. Step 3: Cross multiply
    668,301.70x = 1,002,452.55 × 314,007.70
  4. Step 4: Simplify right side
    668,301.70x = 314,777,819,584.64
  5. Step 5: Solve for x
    x = 314,777,819,584.64/668,301.70
  6. Step 6: Final answer
    x = 471,011.55

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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.