Home / 787,822.61-1,181,635.43-219,246.35

Finding the Fourth Proportional to 787,822.61, 1,181,635.43 and 219,246.35

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Solution

The fourth proportional to 787,822.61, 1,181,635.43 and 219,246.35 is: 328,842.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,822.61 : 1,181,635.43 = 219,246.35 : x
  2. Step 2: Convert to fraction form
    787,822.61/1,181,635.43 = 219,246.35/x
  3. Step 3: Cross multiply
    787,822.61x = 1,181,635.43 × 219,246.35
  4. Step 4: Simplify right side
    787,822.61x = 259,069,248,053.77
  5. Step 5: Solve for x
    x = 259,069,248,053.77/787,822.61
  6. Step 6: Final answer
    x = 328,842.11

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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.