Home / 886,610.84-1,330,110.72-287,632.58

Finding the Fourth Proportional to 886,610.84, 1,330,110.72 and 287,632.58

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Solution

The fourth proportional to 886,610.84, 1,330,110.72 and 287,632.58 is: 431,511.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,610.84 : 1,330,110.72 = 287,632.58 : x
  2. Step 2: Convert to fraction form
    886,610.84/1,330,110.72 = 287,632.58/x
  3. Step 3: Cross multiply
    886,610.84x = 1,330,110.72 × 287,632.58
  4. Step 4: Simplify right side
    886,610.84x = 382,583,171,428.70
  5. Step 5: Solve for x
    x = 382,583,171,428.70/886,610.84
  6. Step 6: Final answer
    x = 431,511.95

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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.