Home / 788,658.71-1,182,514.25-308,314.41

Finding the Fourth Proportional to 788,658.71, 1,182,514.25 and 308,314.41

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Solution

The fourth proportional to 788,658.71, 1,182,514.25 and 308,314.41 is: 462,286.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,658.71 : 1,182,514.25 = 308,314.41 : x
  2. Step 2: Convert to fraction form
    788,658.71/1,182,514.25 = 308,314.41/x
  3. Step 3: Cross multiply
    788,658.71x = 1,182,514.25 × 308,314.41
  4. Step 4: Simplify right side
    788,658.71x = 364,586,181,763.77
  5. Step 5: Solve for x
    x = 364,586,181,763.77/788,658.71
  6. Step 6: Final answer
    x = 462,286.38

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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.