Home / 981,512.58-1,471,219.10-448,234.50

Finding the Fourth Proportional to 981,512.58, 1,471,219.10 and 448,234.50

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Solution

The fourth proportional to 981,512.58, 1,471,219.10 and 448,234.50 is: 671,872.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,512.58 : 1,471,219.10 = 448,234.50 : x
  2. Step 2: Convert to fraction form
    981,512.58/1,471,219.10 = 448,234.50/x
  3. Step 3: Cross multiply
    981,512.58x = 1,471,219.10 × 448,234.50
  4. Step 4: Simplify right side
    981,512.58x = 659,451,157,678.95
  5. Step 5: Solve for x
    x = 659,451,157,678.95/981,512.58
  6. Step 6: Final answer
    x = 671,872.34

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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.