Home / 726,959.92-1,003,234.08-404,649.52

Finding the Fourth Proportional to 726,959.92, 1,003,234.08 and 404,649.52

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Solution

The fourth proportional to 726,959.92, 1,003,234.08 and 404,649.52 is: 558,432.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,959.92 : 1,003,234.08 = 404,649.52 : x
  2. Step 2: Convert to fraction form
    726,959.92/1,003,234.08 = 404,649.52/x
  3. Step 3: Cross multiply
    726,959.92x = 1,003,234.08 × 404,649.52
  4. Step 4: Simplify right side
    726,959.92x = 405,958,188,919.64
  5. Step 5: Solve for x
    x = 405,958,188,919.64/726,959.92
  6. Step 6: Final answer
    x = 558,432.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.