Home / 787,836.12-1,182,051.94-308,406.52

Finding the Fourth Proportional to 787,836.12, 1,182,051.94 and 308,406.52

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Solution

The fourth proportional to 787,836.12, 1,182,051.94 and 308,406.52 is: 462,726.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,836.12 : 1,182,051.94 = 308,406.52 : x
  2. Step 2: Convert to fraction form
    787,836.12/1,182,051.94 = 308,406.52/x
  3. Step 3: Cross multiply
    787,836.12x = 1,182,051.94 × 308,406.52
  4. Step 4: Simplify right side
    787,836.12x = 364,552,525,274.65
  5. Step 5: Solve for x
    x = 364,552,525,274.65/787,836.12
  6. Step 6: Final answer
    x = 462,726.34

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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.