Home / 891,986.54-1,337,990.74-260,913.10

Finding the Fourth Proportional to 891,986.54, 1,337,990.74 and 260,913.10

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Solution

The fourth proportional to 891,986.54, 1,337,990.74 and 260,913.10 is: 391,372.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,986.54 : 1,337,990.74 = 260,913.10 : x
  2. Step 2: Convert to fraction form
    891,986.54/1,337,990.74 = 260,913.10/x
  3. Step 3: Cross multiply
    891,986.54x = 1,337,990.74 × 260,913.10
  4. Step 4: Simplify right side
    891,986.54x = 349,099,311,744.69
  5. Step 5: Solve for x
    x = 349,099,311,744.69/891,986.54
  6. Step 6: Final answer
    x = 391,372.85

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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.