Home / 773,921.44-1,160,959.92-287,733.52

Finding the Fourth Proportional to 773,921.44, 1,160,959.92 and 287,733.52

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Solution

The fourth proportional to 773,921.44, 1,160,959.92 and 287,733.52 is: 431,629.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,921.44 : 1,160,959.92 = 287,733.52 : x
  2. Step 2: Convert to fraction form
    773,921.44/1,160,959.92 = 287,733.52/x
  3. Step 3: Cross multiply
    773,921.44x = 1,160,959.92 × 287,733.52
  4. Step 4: Simplify right side
    773,921.44x = 334,047,084,360.52
  5. Step 5: Solve for x
    x = 334,047,084,360.52/773,921.44
  6. Step 6: Final answer
    x = 431,629.19

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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.