Home / 808,514.56-1,115,747.87-464,372.80

Finding the Fourth Proportional to 808,514.56, 1,115,747.87 and 464,372.80

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Solution

The fourth proportional to 808,514.56, 1,115,747.87 and 464,372.80 is: 640,833.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,514.56 : 1,115,747.87 = 464,372.80 : x
  2. Step 2: Convert to fraction form
    808,514.56/1,115,747.87 = 464,372.80/x
  3. Step 3: Cross multiply
    808,514.56x = 1,115,747.87 × 464,372.80
  4. Step 4: Simplify right side
    808,514.56x = 518,122,957,374.70
  5. Step 5: Solve for x
    x = 518,122,957,374.70/808,514.56
  6. Step 6: Final answer
    x = 640,833.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.