Home / 653,642.31-980,464.23-204,365.55

Finding the Fourth Proportional to 653,642.31, 980,464.23 and 204,365.55

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Solution

The fourth proportional to 653,642.31, 980,464.23 and 204,365.55 is: 306,548.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,642.31 : 980,464.23 = 204,365.55 : x
  2. Step 2: Convert to fraction form
    653,642.31/980,464.23 = 204,365.55/x
  3. Step 3: Cross multiply
    653,642.31x = 980,464.23 × 204,365.55
  4. Step 4: Simplify right side
    653,642.31x = 200,373,111,619.28
  5. Step 5: Solve for x
    x = 200,373,111,619.28/653,642.31
  6. Step 6: Final answer
    x = 306,548.56

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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.