Home / 876,913.53-1,314,867.88-269,543.67

Finding the Fourth Proportional to 876,913.53, 1,314,867.88 and 269,543.67

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Solution

The fourth proportional to 876,913.53, 1,314,867.88 and 269,543.67 is: 404,161.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,913.53 : 1,314,867.88 = 269,543.67 : x
  2. Step 2: Convert to fraction form
    876,913.53/1,314,867.88 = 269,543.67/x
  3. Step 3: Cross multiply
    876,913.53x = 1,314,867.88 × 269,543.67
  4. Step 4: Simplify right side
    876,913.53x = 354,414,313,940.32
  5. Step 5: Solve for x
    x = 354,414,313,940.32/876,913.53
  6. Step 6: Final answer
    x = 404,161.07

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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.