Home / 845,672.79-1,268,337.06-313,067.22

Finding the Fourth Proportional to 845,672.79, 1,268,337.06 and 313,067.22

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Solution

The fourth proportional to 845,672.79, 1,268,337.06 and 313,067.22 is: 469,537.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,672.79 : 1,268,337.06 = 313,067.22 : x
  2. Step 2: Convert to fraction form
    845,672.79/1,268,337.06 = 313,067.22/x
  3. Step 3: Cross multiply
    845,672.79x = 1,268,337.06 × 313,067.22
  4. Step 4: Simplify right side
    845,672.79x = 397,074,757,397.17
  5. Step 5: Solve for x
    x = 397,074,757,397.17/845,672.79
  6. Step 6: Final answer
    x = 469,537.11

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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.