Home / 905,302.56-1,357,945.28-550,414.56

Finding the Fourth Proportional to 905,302.56, 1,357,945.28 and 550,414.56

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Solution

The fourth proportional to 905,302.56, 1,357,945.28 and 550,414.56 is: 825,616.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,302.56 : 1,357,945.28 = 550,414.56 : x
  2. Step 2: Convert to fraction form
    905,302.56/1,357,945.28 = 550,414.56/x
  3. Step 3: Cross multiply
    905,302.56x = 1,357,945.28 × 550,414.56
  4. Step 4: Simplify right side
    905,302.56x = 747,432,853,795.28
  5. Step 5: Solve for x
    x = 747,432,853,795.28/905,302.56
  6. Step 6: Final answer
    x = 825,616.64

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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.