Home / 791,085.75-1,091,672.70-442,216.87

Finding the Fourth Proportional to 791,085.75, 1,091,672.70 and 442,216.87

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Solution

The fourth proportional to 791,085.75, 1,091,672.70 and 442,216.87 is: 610,244.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,085.75 : 1,091,672.70 = 442,216.87 : x
  2. Step 2: Convert to fraction form
    791,085.75/1,091,672.70 = 442,216.87/x
  3. Step 3: Cross multiply
    791,085.75x = 1,091,672.70 × 442,216.87
  4. Step 4: Simplify right side
    791,085.75x = 482,756,089,113.66
  5. Step 5: Solve for x
    x = 482,756,089,113.66/791,085.75
  6. Step 6: Final answer
    x = 610,244.96

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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.