Home / 816,559.72-1,225,040.56-284,085.36

Finding the Fourth Proportional to 816,559.72, 1,225,040.56 and 284,085.36

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Solution

The fourth proportional to 816,559.72, 1,225,040.56 and 284,085.36 is: 426,197.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,559.72 : 1,225,040.56 = 284,085.36 : x
  2. Step 2: Convert to fraction form
    816,559.72/1,225,040.56 = 284,085.36/x
  3. Step 3: Cross multiply
    816,559.72x = 1,225,040.56 × 284,085.36
  4. Step 4: Simplify right side
    816,559.72x = 348,016,087,791.99
  5. Step 5: Solve for x
    x = 348,016,087,791.99/816,559.72
  6. Step 6: Final answer
    x = 426,197.96

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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.