Home / 887,736.96-1,331,570.64-489,168

Finding the Fourth Proportional to 887,736.96, 1,331,570.64 and 489,168

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Solution

The fourth proportional to 887,736.96, 1,331,570.64 and 489,168 is: 733,732.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,736.96 : 1,331,570.64 = 489,168 : x
  2. Step 2: Convert to fraction form
    887,736.96/1,331,570.64 = 489,168/x
  3. Step 3: Cross multiply
    887,736.96x = 1,331,570.64 × 489,168
  4. Step 4: Simplify right side
    887,736.96x = 651,361,746,827.52
  5. Step 5: Solve for x
    x = 651,361,746,827.52/887,736.96
  6. Step 6: Final answer
    x = 733,732.82

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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.