Home / 725,258.26-1,087,886.19-192,779.29

Finding the Fourth Proportional to 725,258.26, 1,087,886.19 and 192,779.29

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Solution

The fourth proportional to 725,258.26, 1,087,886.19 and 192,779.29 is: 289,168.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,258.26 : 1,087,886.19 = 192,779.29 : x
  2. Step 2: Convert to fraction form
    725,258.26/1,087,886.19 = 192,779.29/x
  3. Step 3: Cross multiply
    725,258.26x = 1,087,886.19 × 192,779.29
  4. Step 4: Simplify right side
    725,258.26x = 209,721,929,391.79
  5. Step 5: Solve for x
    x = 209,721,929,391.79/725,258.26
  6. Step 6: Final answer
    x = 289,168.62

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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.