Home / 980,399.42-1,352,921.72-544,815.30

Finding the Fourth Proportional to 980,399.42, 1,352,921.72 and 544,815.30

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Solution

The fourth proportional to 980,399.42, 1,352,921.72 and 544,815.30 is: 751,828.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,399.42 : 1,352,921.72 = 544,815.30 : x
  2. Step 2: Convert to fraction form
    980,399.42/1,352,921.72 = 544,815.30/x
  3. Step 3: Cross multiply
    980,399.42x = 1,352,921.72 × 544,815.30
  4. Step 4: Simplify right side
    980,399.42x = 737,092,450,034.24
  5. Step 5: Solve for x
    x = 737,092,450,034.24/980,399.42
  6. Step 6: Final answer
    x = 751,828.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.