Home / 814,521.02-1,221,785.57-335,010.33

Finding the Fourth Proportional to 814,521.02, 1,221,785.57 and 335,010.33

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Solution

The fourth proportional to 814,521.02, 1,221,785.57 and 335,010.33 is: 502,517.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,521.02 : 1,221,785.57 = 335,010.33 : x
  2. Step 2: Convert to fraction form
    814,521.02/1,221,785.57 = 335,010.33/x
  3. Step 3: Cross multiply
    814,521.02x = 1,221,785.57 × 335,010.33
  4. Step 4: Simplify right side
    814,521.02x = 409,310,787,832.46
  5. Step 5: Solve for x
    x = 409,310,787,832.46/814,521.02
  6. Step 6: Final answer
    x = 502,517.16

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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.