Home / 775,157.72-1,162,737.12-214,192.76

Finding the Fourth Proportional to 775,157.72, 1,162,737.12 and 214,192.76

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Solution

The fourth proportional to 775,157.72, 1,162,737.12 and 214,192.76 is: 321,289.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,157.72 : 1,162,737.12 = 214,192.76 : x
  2. Step 2: Convert to fraction form
    775,157.72/1,162,737.12 = 214,192.76/x
  3. Step 3: Cross multiply
    775,157.72x = 1,162,737.12 × 214,192.76
  4. Step 4: Simplify right side
    775,157.72x = 249,049,872,887.25
  5. Step 5: Solve for x
    x = 249,049,872,887.25/775,157.72
  6. Step 6: Final answer
    x = 321,289.29

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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.