Home / 838,720.33-1,258,450.87-650,813.29

Finding the Fourth Proportional to 838,720.33, 1,258,450.87 and 650,813.29

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Solution

The fourth proportional to 838,720.33, 1,258,450.87 and 650,813.29 is: 976,507.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,720.33 : 1,258,450.87 = 650,813.29 : x
  2. Step 2: Convert to fraction form
    838,720.33/1,258,450.87 = 650,813.29/x
  3. Step 3: Cross multiply
    838,720.33x = 1,258,450.87 × 650,813.29
  4. Step 4: Simplify right side
    838,720.33x = 819,016,546,234.90
  5. Step 5: Solve for x
    x = 819,016,546,234.90/838,720.33
  6. Step 6: Final answer
    x = 976,507.33

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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.