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Finding the Fourth Proportional to 608,684.67, 840,016.71 and 350,600.85

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Solution

The fourth proportional to 608,684.67, 840,016.71 and 350,600.85 is: 483,847.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,684.67 : 840,016.71 = 350,600.85 : x
  2. Step 2: Convert to fraction form
    608,684.67/840,016.71 = 350,600.85/x
  3. Step 3: Cross multiply
    608,684.67x = 840,016.71 × 350,600.85
  4. Step 4: Simplify right side
    608,684.67x = 294,510,572,540.20
  5. Step 5: Solve for x
    x = 294,510,572,540.20/608,684.67
  6. Step 6: Final answer
    x = 483,847.53

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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.