Home / 891,910.90-1,337,364.42-292,821.58

Finding the Fourth Proportional to 891,910.90, 1,337,364.42 and 292,821.58

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Solution

The fourth proportional to 891,910.90, 1,337,364.42 and 292,821.58 is: 439,067.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,910.90 : 1,337,364.42 = 292,821.58 : x
  2. Step 2: Convert to fraction form
    891,910.90/1,337,364.42 = 292,821.58/x
  3. Step 3: Cross multiply
    891,910.90x = 1,337,364.42 × 292,821.58
  4. Step 4: Simplify right side
    891,910.90x = 391,609,162,500.18
  5. Step 5: Solve for x
    x = 391,609,162,500.18/891,910.90
  6. Step 6: Final answer
    x = 439,067.58

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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.