Home / 791,224.34-1,091,890.05-428,650.73

Finding the Fourth Proportional to 791,224.34, 1,091,890.05 and 428,650.73

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Solution

The fourth proportional to 791,224.34, 1,091,890.05 and 428,650.73 is: 591,538.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,224.34 : 1,091,890.05 = 428,650.73 : x
  2. Step 2: Convert to fraction form
    791,224.34/1,091,890.05 = 428,650.73/x
  3. Step 3: Cross multiply
    791,224.34x = 1,091,890.05 × 428,650.73
  4. Step 4: Simplify right side
    791,224.34x = 468,039,467,012.24
  5. Step 5: Solve for x
    x = 468,039,467,012.24/791,224.34
  6. Step 6: Final answer
    x = 591,538.26

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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.