Home / 810,828.60-1,216,391.13-271,033.80

Finding the Fourth Proportional to 810,828.60, 1,216,391.13 and 271,033.80

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Solution

The fourth proportional to 810,828.60, 1,216,391.13 and 271,033.80 is: 406,600.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,828.60 : 1,216,391.13 = 271,033.80 : x
  2. Step 2: Convert to fraction form
    810,828.60/1,216,391.13 = 271,033.80/x
  3. Step 3: Cross multiply
    810,828.60x = 1,216,391.13 × 271,033.80
  4. Step 4: Simplify right side
    810,828.60x = 329,683,110,250.19
  5. Step 5: Solve for x
    x = 329,683,110,250.19/810,828.60
  6. Step 6: Final answer
    x = 406,600.25

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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.