Home / 980,119.56-1,470,175.20-381,498.18

Finding the Fourth Proportional to 980,119.56, 1,470,175.20 and 381,498.18

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Solution

The fourth proportional to 980,119.56, 1,470,175.20 and 381,498.18 is: 572,245.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,119.56 : 1,470,175.20 = 381,498.18 : x
  2. Step 2: Convert to fraction form
    980,119.56/1,470,175.20 = 381,498.18/x
  3. Step 3: Cross multiply
    980,119.56x = 1,470,175.20 × 381,498.18
  4. Step 4: Simplify right side
    980,119.56x = 560,869,163,081.14
  5. Step 5: Solve for x
    x = 560,869,163,081.14/980,119.56
  6. Step 6: Final answer
    x = 572,245.66

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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.