Home / 888,138.80-1,330,677.30-413,851.40

Finding the Fourth Proportional to 888,138.80, 1,330,677.30 and 413,851.40

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Solution

The fourth proportional to 888,138.80, 1,330,677.30 and 413,851.40 is: 620,063.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,138.80 : 1,330,677.30 = 413,851.40 : x
  2. Step 2: Convert to fraction form
    888,138.80/1,330,677.30 = 413,851.40/x
  3. Step 3: Cross multiply
    888,138.80x = 1,330,677.30 × 413,851.40
  4. Step 4: Simplify right side
    888,138.80x = 550,702,663,553.22
  5. Step 5: Solve for x
    x = 550,702,663,553.22/888,138.80
  6. Step 6: Final answer
    x = 620,063.74

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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.