Home / 791,225.34-1,091,891.43-428,651.73

Finding the Fourth Proportional to 791,225.34, 1,091,891.43 and 428,651.73

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Solution

The fourth proportional to 791,225.34, 1,091,891.43 and 428,651.73 is: 591,539.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,225.34 : 1,091,891.43 = 428,651.73 : x
  2. Step 2: Convert to fraction form
    791,225.34/1,091,891.43 = 428,651.73/x
  3. Step 3: Cross multiply
    791,225.34x = 1,091,891.43 × 428,651.73
  4. Step 4: Simplify right side
    791,225.34x = 468,041,150,441.67
  5. Step 5: Solve for x
    x = 468,041,150,441.67/791,225.34
  6. Step 6: Final answer
    x = 591,539.64

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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.