Home / 879,271.42-1,318,218.15-347,190.73

Finding the Fourth Proportional to 879,271.42, 1,318,218.15 and 347,190.73

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Solution

The fourth proportional to 879,271.42, 1,318,218.15 and 347,190.73 is: 520,514.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,271.42 : 1,318,218.15 = 347,190.73 : x
  2. Step 2: Convert to fraction form
    879,271.42/1,318,218.15 = 347,190.73/x
  3. Step 3: Cross multiply
    879,271.42x = 1,318,218.15 × 347,190.73
  4. Step 4: Simplify right side
    879,271.42x = 457,673,121,797.75
  5. Step 5: Solve for x
    x = 457,673,121,797.75/879,271.42
  6. Step 6: Final answer
    x = 520,514.04

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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.