Home / 658,049.90-986,309.40-303,099.80

Finding the Fourth Proportional to 658,049.90, 986,309.40 and 303,099.80

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Solution

The fourth proportional to 658,049.90, 986,309.40 and 303,099.80 is: 454,297.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,049.90 : 986,309.40 = 303,099.80 : x
  2. Step 2: Convert to fraction form
    658,049.90/986,309.40 = 303,099.80/x
  3. Step 3: Cross multiply
    658,049.90x = 986,309.40 × 303,099.80
  4. Step 4: Simplify right side
    658,049.90x = 298,950,181,878.12
  5. Step 5: Solve for x
    x = 298,950,181,878.12/658,049.90
  6. Step 6: Final answer
    x = 454,297.13

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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.