Home / 980,114.55-1,470,167.71-381,493.17

Finding the Fourth Proportional to 980,114.55, 1,470,167.71 and 381,493.17

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Solution

The fourth proportional to 980,114.55, 1,470,167.71 and 381,493.17 is: 572,238.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,114.55 : 1,470,167.71 = 381,493.17 : x
  2. Step 2: Convert to fraction form
    980,114.55/1,470,167.71 = 381,493.17/x
  3. Step 3: Cross multiply
    980,114.55x = 1,470,167.71 × 381,493.17
  4. Step 4: Simplify right side
    980,114.55x = 560,858,940,119.54
  5. Step 5: Solve for x
    x = 560,858,940,119.54/980,114.55
  6. Step 6: Final answer
    x = 572,238.15

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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.