Home / 677,933.72-1,017,234.30-479,529.08

Finding the Fourth Proportional to 677,933.72, 1,017,234.30 and 479,529.08

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Solution

The fourth proportional to 677,933.72, 1,017,234.30 and 479,529.08 is: 719,529.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,933.72 : 1,017,234.30 = 479,529.08 : x
  2. Step 2: Convert to fraction form
    677,933.72/1,017,234.30 = 479,529.08/x
  3. Step 3: Cross multiply
    677,933.72x = 1,017,234.30 × 479,529.08
  4. Step 4: Simplify right side
    677,933.72x = 487,793,428,023.44
  5. Step 5: Solve for x
    x = 487,793,428,023.44/677,933.72
  6. Step 6: Final answer
    x = 719,529.67

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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.