Home / 805,106.12-1,111,049.26-442,561.46

Finding the Fourth Proportional to 805,106.12, 1,111,049.26 and 442,561.46

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Solution

The fourth proportional to 805,106.12, 1,111,049.26 and 442,561.46 is: 610,736.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,106.12 : 1,111,049.26 = 442,561.46 : x
  2. Step 2: Convert to fraction form
    805,106.12/1,111,049.26 = 442,561.46/x
  3. Step 3: Cross multiply
    805,106.12x = 1,111,049.26 × 442,561.46
  4. Step 4: Simplify right side
    805,106.12x = 491,707,575,975.87
  5. Step 5: Solve for x
    x = 491,707,575,975.87/805,106.12
  6. Step 6: Final answer
    x = 610,736.36

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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.