Home / 851,930.54-1,175,624.60-489,099.04

Finding the Fourth Proportional to 851,930.54, 1,175,624.60 and 489,099.04

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Solution

The fourth proportional to 851,930.54, 1,175,624.60 and 489,099.04 is: 674,933.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,930.54 : 1,175,624.60 = 489,099.04 : x
  2. Step 2: Convert to fraction form
    851,930.54/1,175,624.60 = 489,099.04/x
  3. Step 3: Cross multiply
    851,930.54x = 1,175,624.60 × 489,099.04
  4. Step 4: Simplify right side
    851,930.54x = 574,996,863,260.38
  5. Step 5: Solve for x
    x = 574,996,863,260.38/851,930.54
  6. Step 6: Final answer
    x = 674,933.97

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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.