Home / 1,342,258.83-2,013,392.39-331,380.90

Finding the Fourth Proportional to 1,342,258.83, 2,013,392.39 and 331,380.90

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Solution

The fourth proportional to 1,342,258.83, 2,013,392.39 and 331,380.90 is: 497,072.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,258.83 : 2,013,392.39 = 331,380.90 : x
  2. Step 2: Convert to fraction form
    1,342,258.83/2,013,392.39 = 331,380.90/x
  3. Step 3: Cross multiply
    1,342,258.83x = 2,013,392.39 × 331,380.90
  4. Step 4: Simplify right side
    1,342,258.83x = 667,199,780,594.45
  5. Step 5: Solve for x
    x = 667,199,780,594.45/1,342,258.83
  6. Step 6: Final answer
    x = 497,072.37

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1.5x scale

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.