Home / 782,811.72-1,173,847.41-303,264.12

Finding the Fourth Proportional to 782,811.72, 1,173,847.41 and 303,264.12

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Solution

The fourth proportional to 782,811.72, 1,173,847.41 and 303,264.12 is: 454,752.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,811.72 : 1,173,847.41 = 303,264.12 : x
  2. Step 2: Convert to fraction form
    782,811.72/1,173,847.41 = 303,264.12/x
  3. Step 3: Cross multiply
    782,811.72x = 1,173,847.41 × 303,264.12
  4. Step 4: Simplify right side
    782,811.72x = 355,985,801,807.93
  5. Step 5: Solve for x
    x = 355,985,801,807.93/782,811.72
  6. Step 6: Final answer
    x = 454,752.77

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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.