Home / 876,651.06-1,209,766.61-489,472.44

Finding the Fourth Proportional to 876,651.06, 1,209,766.61 and 489,472.44

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Solution

The fourth proportional to 876,651.06, 1,209,766.61 and 489,472.44 is: 675,465.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,651.06 : 1,209,766.61 = 489,472.44 : x
  2. Step 2: Convert to fraction form
    876,651.06/1,209,766.61 = 489,472.44/x
  3. Step 3: Cross multiply
    876,651.06x = 1,209,766.61 × 489,472.44
  4. Step 4: Simplify right side
    876,651.06x = 592,147,418,352.01
  5. Step 5: Solve for x
    x = 592,147,418,352.01/876,651.06
  6. Step 6: Final answer
    x = 675,465.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.