Home / 654,154.36-981,612.25-275,047.63

Finding the Fourth Proportional to 654,154.36, 981,612.25 and 275,047.63

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Solution

The fourth proportional to 654,154.36, 981,612.25 and 275,047.63 is: 412,731.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,154.36 : 981,612.25 = 275,047.63 : x
  2. Step 2: Convert to fraction form
    654,154.36/981,612.25 = 275,047.63/x
  3. Step 3: Cross multiply
    654,154.36x = 981,612.25 × 275,047.63
  4. Step 4: Simplify right side
    654,154.36x = 269,990,119,799.82
  5. Step 5: Solve for x
    x = 269,990,119,799.82/654,154.36
  6. Step 6: Final answer
    x = 412,731.52

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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.