Home / 819,627.03-1,228,696.26-286,857.42

Finding the Fourth Proportional to 819,627.03, 1,228,696.26 and 286,857.42

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Solution

The fourth proportional to 819,627.03, 1,228,696.26 and 286,857.42 is: 430,025.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,627.03 : 1,228,696.26 = 286,857.42 : x
  2. Step 2: Convert to fraction form
    819,627.03/1,228,696.26 = 286,857.42/x
  3. Step 3: Cross multiply
    819,627.03x = 1,228,696.26 × 286,857.42
  4. Step 4: Simplify right side
    819,627.03x = 352,460,646,211.41
  5. Step 5: Solve for x
    x = 352,460,646,211.41/819,627.03
  6. Step 6: Final answer
    x = 430,025.65

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Similar ratio
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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.