Home / 791,014.67-1,091,599.76-428,438.42

Finding the Fourth Proportional to 791,014.67, 1,091,599.76 and 428,438.42

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Solution

The fourth proportional to 791,014.67, 1,091,599.76 and 428,438.42 is: 591,244.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,014.67 : 1,091,599.76 = 428,438.42 : x
  2. Step 2: Convert to fraction form
    791,014.67/1,091,599.76 = 428,438.42/x
  3. Step 3: Cross multiply
    791,014.67x = 1,091,599.76 × 428,438.42
  4. Step 4: Simplify right side
    791,014.67x = 467,683,272,059.88
  5. Step 5: Solve for x
    x = 467,683,272,059.88/791,014.67
  6. Step 6: Final answer
    x = 591,244.76

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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.