Home / 725,860.60-1,088,531.70-252,561.40

Finding the Fourth Proportional to 725,860.60, 1,088,531.70 and 252,561.40

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Solution

The fourth proportional to 725,860.60, 1,088,531.70 and 252,561.40 is: 378,751.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,860.60 : 1,088,531.70 = 252,561.40 : x
  2. Step 2: Convert to fraction form
    725,860.60/1,088,531.70 = 252,561.40/x
  3. Step 3: Cross multiply
    725,860.60x = 1,088,531.70 × 252,561.40
  4. Step 4: Simplify right side
    725,860.60x = 274,921,090,096.38
  5. Step 5: Solve for x
    x = 274,921,090,096.38/725,860.60
  6. Step 6: Final answer
    x = 378,751.91

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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.