Home / 725,272.52-1,088,112.90-252,005.72

Finding the Fourth Proportional to 725,272.52, 1,088,112.90 and 252,005.72

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Solution

The fourth proportional to 725,272.52, 1,088,112.90 and 252,005.72 is: 378,079.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,272.52 : 1,088,112.90 = 252,005.72 : x
  2. Step 2: Convert to fraction form
    725,272.52/1,088,112.90 = 252,005.72/x
  3. Step 3: Cross multiply
    725,272.52x = 1,088,112.90 × 252,005.72
  4. Step 4: Simplify right side
    725,272.52x = 274,210,674,805.79
  5. Step 5: Solve for x
    x = 274,210,674,805.79/725,272.52
  6. Step 6: Final answer
    x = 378,079.50

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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.