Home / 788,636.43-1,182,843.47-256,163.90

Finding the Fourth Proportional to 788,636.43, 1,182,843.47 and 256,163.90

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Solution

The fourth proportional to 788,636.43, 1,182,843.47 and 256,163.90 is: 384,209.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,636.43 : 1,182,843.47 = 256,163.90 : x
  2. Step 2: Convert to fraction form
    788,636.43/1,182,843.47 = 256,163.90/x
  3. Step 3: Cross multiply
    788,636.43x = 1,182,843.47 × 256,163.90
  4. Step 4: Simplify right side
    788,636.43x = 303,001,791,090.93
  5. Step 5: Solve for x
    x = 303,001,791,090.93/788,636.43
  6. Step 6: Final answer
    x = 384,209.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.