Home / 729,205.60-1,093,808.40-659,221.60

Finding the Fourth Proportional to 729,205.60, 1,093,808.40 and 659,221.60

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Solution

The fourth proportional to 729,205.60, 1,093,808.40 and 659,221.60 is: 988,832.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,205.60 : 1,093,808.40 = 659,221.60 : x
  2. Step 2: Convert to fraction form
    729,205.60/1,093,808.40 = 659,221.60/x
  3. Step 3: Cross multiply
    729,205.60x = 1,093,808.40 × 659,221.60
  4. Step 4: Simplify right side
    729,205.60x = 721,062,123,541.44
  5. Step 5: Solve for x
    x = 721,062,123,541.44/729,205.60
  6. Step 6: Final answer
    x = 988,832.40

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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.