Home / 721,777.86-1,082,174.72-366,106.05

Finding the Fourth Proportional to 721,777.86, 1,082,174.72 and 366,106.05

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Solution

The fourth proportional to 721,777.86, 1,082,174.72 and 366,106.05 is: 548,909.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,777.86 : 1,082,174.72 = 366,106.05 : x
  2. Step 2: Convert to fraction form
    721,777.86/1,082,174.72 = 366,106.05/x
  3. Step 3: Cross multiply
    721,777.86x = 1,082,174.72 × 366,106.05
  4. Step 4: Simplify right side
    721,777.86x = 396,190,710,318.53
  5. Step 5: Solve for x
    x = 396,190,710,318.53/721,777.86
  6. Step 6: Final answer
    x = 548,909.48

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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.