Home / 980,677.37-1,471,253.20-340,888.75

Finding the Fourth Proportional to 980,677.37, 1,471,253.20 and 340,888.75

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Solution

The fourth proportional to 980,677.37, 1,471,253.20 and 340,888.75 is: 511,415.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,677.37 : 1,471,253.20 = 340,888.75 : x
  2. Step 2: Convert to fraction form
    980,677.37/1,471,253.20 = 340,888.75/x
  3. Step 3: Cross multiply
    980,677.37x = 1,471,253.20 × 340,888.75
  4. Step 4: Simplify right side
    980,677.37x = 501,533,659,751.15
  5. Step 5: Solve for x
    x = 501,533,659,751.15/980,677.37
  6. Step 6: Final answer
    x = 511,415.55

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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.