Home / 829,217.54-1,144,615.65-489,687.14

Finding the Fourth Proportional to 829,217.54, 1,144,615.65 and 489,687.14

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Solution

The fourth proportional to 829,217.54, 1,144,615.65 and 489,687.14 is: 675,942.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,217.54 : 1,144,615.65 = 489,687.14 : x
  2. Step 2: Convert to fraction form
    829,217.54/1,144,615.65 = 489,687.14/x
  3. Step 3: Cross multiply
    829,217.54x = 1,144,615.65 × 489,687.14
  4. Step 4: Simplify right side
    829,217.54x = 560,503,564,047.74
  5. Step 5: Solve for x
    x = 560,503,564,047.74/829,217.54
  6. Step 6: Final answer
    x = 675,942.73

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1.5x scale

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.