Home / 735,568.30-1,015,085.15-413,278.21

Finding the Fourth Proportional to 735,568.30, 1,015,085.15 and 413,278.21

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Solution

The fourth proportional to 735,568.30, 1,015,085.15 and 413,278.21 is: 570,324.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,568.30 : 1,015,085.15 = 413,278.21 : x
  2. Step 2: Convert to fraction form
    735,568.30/1,015,085.15 = 413,278.21/x
  3. Step 3: Cross multiply
    735,568.30x = 1,015,085.15 × 413,278.21
  4. Step 4: Simplify right side
    735,568.30x = 419,512,573,789.58
  5. Step 5: Solve for x
    x = 419,512,573,789.58/735,568.30
  6. Step 6: Final answer
    x = 570,324.43

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Double scale
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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.