Home / 819,452.60-1,229,164.26-313,876.52

Finding the Fourth Proportional to 819,452.60, 1,229,164.26 and 313,876.52

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Solution

The fourth proportional to 819,452.60, 1,229,164.26 and 313,876.52 is: 470,809.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,452.60 : 1,229,164.26 = 313,876.52 : x
  2. Step 2: Convert to fraction form
    819,452.60/1,229,164.26 = 313,876.52/x
  3. Step 3: Cross multiply
    819,452.60x = 1,229,164.26 × 313,876.52
  4. Step 4: Simplify right side
    819,452.60x = 385,805,800,437.18
  5. Step 5: Solve for x
    x = 385,805,800,437.18/819,452.60
  6. Step 6: Final answer
    x = 470,809.17

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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.