Home / 769,801.27-1,155,749.04-433,078.87

Finding the Fourth Proportional to 769,801.27, 1,155,749.04 and 433,078.87

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Solution

The fourth proportional to 769,801.27, 1,155,749.04 and 433,078.87 is: 650,207.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,801.27 : 1,155,749.04 = 433,078.87 : x
  2. Step 2: Convert to fraction form
    769,801.27/1,155,749.04 = 433,078.87/x
  3. Step 3: Cross multiply
    769,801.27x = 1,155,749.04 × 433,078.87
  4. Step 4: Simplify right side
    769,801.27x = 500,530,488,246.79
  5. Step 5: Solve for x
    x = 500,530,488,246.79/769,801.27
  6. Step 6: Final answer
    x = 650,207.41

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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.