Home / 679,344.20-1,019,016.30-668,846.60

Finding the Fourth Proportional to 679,344.20, 1,019,016.30 and 668,846.60

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Solution

The fourth proportional to 679,344.20, 1,019,016.30 and 668,846.60 is: 1,003,269.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,344.20 : 1,019,016.30 = 668,846.60 : x
  2. Step 2: Convert to fraction form
    679,344.20/1,019,016.30 = 668,846.60/x
  3. Step 3: Cross multiply
    679,344.20x = 1,019,016.30 × 668,846.60
  4. Step 4: Simplify right side
    679,344.20x = 681,565,587,599.58
  5. Step 5: Solve for x
    x = 681,565,587,599.58/679,344.20
  6. Step 6: Final answer
    x = 1,003,269.90

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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.