Home / 787,824.33-1,182,034.31-308,394.76

Finding the Fourth Proportional to 787,824.33, 1,182,034.31 and 308,394.76

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Solution

The fourth proportional to 787,824.33, 1,182,034.31 and 308,394.76 is: 462,708.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,824.33 : 1,182,034.31 = 308,394.76 : x
  2. Step 2: Convert to fraction form
    787,824.33/1,182,034.31 = 308,394.76/x
  3. Step 3: Cross multiply
    787,824.33x = 1,182,034.31 × 308,394.76
  4. Step 4: Simplify right side
    787,824.33x = 364,533,187,344.22
  5. Step 5: Solve for x
    x = 364,533,187,344.22/787,824.33
  6. Step 6: Final answer
    x = 462,708.72

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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.