Home / 879,271.29-1,318,217.91-347,190.60

Finding the Fourth Proportional to 879,271.29, 1,318,217.91 and 347,190.60

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Solution

The fourth proportional to 879,271.29, 1,318,217.91 and 347,190.60 is: 520,513.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,271.29 : 1,318,217.91 = 347,190.60 : x
  2. Step 2: Convert to fraction form
    879,271.29/1,318,217.91 = 347,190.60/x
  3. Step 3: Cross multiply
    879,271.29x = 1,318,217.91 × 347,190.60
  4. Step 4: Simplify right side
    879,271.29x = 457,672,867,103.65
  5. Step 5: Solve for x
    x = 457,672,867,103.65/879,271.29
  6. Step 6: Final answer
    x = 520,513.83

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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.