Home / 771,289.70-1,156,745.73-322,014.28

Finding the Fourth Proportional to 771,289.70, 1,156,745.73 and 322,014.28

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Solution

The fourth proportional to 771,289.70, 1,156,745.73 and 322,014.28 is: 482,942.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,289.70 : 1,156,745.73 = 322,014.28 : x
  2. Step 2: Convert to fraction form
    771,289.70/1,156,745.73 = 322,014.28/x
  3. Step 3: Cross multiply
    771,289.70x = 1,156,745.73 × 322,014.28
  4. Step 4: Simplify right side
    771,289.70x = 372,488,643,389.02
  5. Step 5: Solve for x
    x = 372,488,643,389.02/771,289.70
  6. Step 6: Final answer
    x = 482,942.59

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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.