Home / 939,876.30-1,409,868.78-265,901.15

Finding the Fourth Proportional to 939,876.30, 1,409,868.78 and 265,901.15

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Solution

The fourth proportional to 939,876.30, 1,409,868.78 and 265,901.15 is: 398,867.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,876.30 : 1,409,868.78 = 265,901.15 : x
  2. Step 2: Convert to fraction form
    939,876.30/1,409,868.78 = 265,901.15/x
  3. Step 3: Cross multiply
    939,876.30x = 1,409,868.78 × 265,901.15
  4. Step 4: Simplify right side
    939,876.30x = 374,885,722,901.75
  5. Step 5: Solve for x
    x = 374,885,722,901.75/939,876.30
  6. Step 6: Final answer
    x = 398,867.09

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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.