Home / 980,113.92-1,470,166.78-381,492.54

Finding the Fourth Proportional to 980,113.92, 1,470,166.78 and 381,492.54

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Solution

The fourth proportional to 980,113.92, 1,470,166.78 and 381,492.54 is: 572,237.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,113.92 : 1,470,166.78 = 381,492.54 : x
  2. Step 2: Convert to fraction form
    980,113.92/1,470,166.78 = 381,492.54/x
  3. Step 3: Cross multiply
    980,113.92x = 1,470,166.78 × 381,492.54
  4. Step 4: Simplify right side
    980,113.92x = 560,857,658,172.09
  5. Step 5: Solve for x
    x = 560,857,658,172.09/980,113.92
  6. Step 6: Final answer
    x = 572,237.21

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1.5x scale

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.