Home / 858,793.24-1,286,227.90-409,829.40

Finding the Fourth Proportional to 858,793.24, 1,286,227.90 and 409,829.40

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Solution

The fourth proportional to 858,793.24, 1,286,227.90 and 409,829.40 is: 613,807.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,793.24 : 1,286,227.90 = 409,829.40 : x
  2. Step 2: Convert to fraction form
    858,793.24/1,286,227.90 = 409,829.40/x
  3. Step 3: Cross multiply
    858,793.24x = 1,286,227.90 × 409,829.40
  4. Step 4: Simplify right side
    858,793.24x = 527,134,008,520.26
  5. Step 5: Solve for x
    x = 527,134,008,520.26/858,793.24
  6. Step 6: Final answer
    x = 613,807.82

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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.