Home / 980,840.34-1,471,219.81-341,290.46

Finding the Fourth Proportional to 980,840.34, 1,471,219.81 and 341,290.46

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Solution

The fourth proportional to 980,840.34, 1,471,219.81 and 341,290.46 is: 511,921.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,840.34 : 1,471,219.81 = 341,290.46 : x
  2. Step 2: Convert to fraction form
    980,840.34/1,471,219.81 = 341,290.46/x
  3. Step 3: Cross multiply
    980,840.34x = 1,471,219.81 × 341,290.46
  4. Step 4: Simplify right side
    980,840.34x = 502,113,288,540.84
  5. Step 5: Solve for x
    x = 502,113,288,540.84/980,840.34
  6. Step 6: Final answer
    x = 511,921.53

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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.