Home / 782,062.64-1,173,537.35-422,228.69

Finding the Fourth Proportional to 782,062.64, 1,173,537.35 and 422,228.69

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Solution

The fourth proportional to 782,062.64, 1,173,537.35 and 422,228.69 is: 633,582.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,062.64 : 1,173,537.35 = 422,228.69 : x
  2. Step 2: Convert to fraction form
    782,062.64/1,173,537.35 = 422,228.69/x
  3. Step 3: Cross multiply
    782,062.64x = 1,173,537.35 × 422,228.69
  4. Step 4: Simplify right side
    782,062.64x = 495,501,129,977.74
  5. Step 5: Solve for x
    x = 495,501,129,977.74/782,062.64
  6. Step 6: Final answer
    x = 633,582.41

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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.