Home / 816,817.31-1,225,302.79-240,440.97

Finding the Fourth Proportional to 816,817.31, 1,225,302.79 and 240,440.97

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Solution

The fourth proportional to 816,817.31, 1,225,302.79 and 240,440.97 is: 360,684.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,817.31 : 1,225,302.79 = 240,440.97 : x
  2. Step 2: Convert to fraction form
    816,817.31/1,225,302.79 = 240,440.97/x
  3. Step 3: Cross multiply
    816,817.31x = 1,225,302.79 × 240,440.97
  4. Step 4: Simplify right side
    816,817.31x = 294,612,985,845.90
  5. Step 5: Solve for x
    x = 294,612,985,845.90/816,817.31
  6. Step 6: Final answer
    x = 360,684.06

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1.5x scale

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.