Home / 791,040.63-1,091,635.58-428,471.57

Finding the Fourth Proportional to 791,040.63, 1,091,635.58 and 428,471.57

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Solution

The fourth proportional to 791,040.63, 1,091,635.58 and 428,471.57 is: 591,290.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,040.63 : 1,091,635.58 = 428,471.57 : x
  2. Step 2: Convert to fraction form
    791,040.63/1,091,635.58 = 428,471.57/x
  3. Step 3: Cross multiply
    791,040.63x = 1,091,635.58 × 428,471.57
  4. Step 4: Simplify right side
    791,040.63x = 467,734,814,630.73
  5. Step 5: Solve for x
    x = 467,734,814,630.73/791,040.63
  6. Step 6: Final answer
    x = 591,290.50

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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.