Home / 891,371.66-1,336,925.96-260,115.98

Finding the Fourth Proportional to 891,371.66, 1,336,925.96 and 260,115.98

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Solution

The fourth proportional to 891,371.66, 1,336,925.96 and 260,115.98 is: 390,135.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,371.66 : 1,336,925.96 = 260,115.98 : x
  2. Step 2: Convert to fraction form
    891,371.66/1,336,925.96 = 260,115.98/x
  3. Step 3: Cross multiply
    891,371.66x = 1,336,925.96 × 260,115.98
  4. Step 4: Simplify right side
    891,371.66x = 347,755,800,238.50
  5. Step 5: Solve for x
    x = 347,755,800,238.50/891,371.66
  6. Step 6: Final answer
    x = 390,135.58

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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.