Home / 867,556.05-1,301,394.87-268,438.29

Finding the Fourth Proportional to 867,556.05, 1,301,394.87 and 268,438.29

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Solution

The fourth proportional to 867,556.05, 1,301,394.87 and 268,438.29 is: 402,676.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,556.05 : 1,301,394.87 = 268,438.29 : x
  2. Step 2: Convert to fraction form
    867,556.05/1,301,394.87 = 268,438.29/x
  3. Step 3: Cross multiply
    867,556.05x = 1,301,394.87 × 268,438.29
  4. Step 4: Simplify right side
    867,556.05x = 349,344,213,517.57
  5. Step 5: Solve for x
    x = 349,344,213,517.57/867,556.05
  6. Step 6: Final answer
    x = 402,676.25

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Double scale
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1.5x scale

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.