Home / 891,104.93-1,336,123.58-283,630.85

Finding the Fourth Proportional to 891,104.93, 1,336,123.58 and 283,630.85

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Solution

The fourth proportional to 891,104.93, 1,336,123.58 and 283,630.85 is: 425,276.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,104.93 : 1,336,123.58 = 283,630.85 : x
  2. Step 2: Convert to fraction form
    891,104.93/1,336,123.58 = 283,630.85/x
  3. Step 3: Cross multiply
    891,104.93x = 1,336,123.58 × 283,630.85
  4. Step 4: Simplify right side
    891,104.93x = 378,965,860,728.90
  5. Step 5: Solve for x
    x = 378,965,860,728.90/891,104.93
  6. Step 6: Final answer
    x = 425,276.36

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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.