Home / 792,445.68-1,188,669.24-280,491.60

Finding the Fourth Proportional to 792,445.68, 1,188,669.24 and 280,491.60

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Solution

The fourth proportional to 792,445.68, 1,188,669.24 and 280,491.60 is: 420,737.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,445.68 : 1,188,669.24 = 280,491.60 : x
  2. Step 2: Convert to fraction form
    792,445.68/1,188,669.24 = 280,491.60/x
  3. Step 3: Cross multiply
    792,445.68x = 1,188,669.24 × 280,491.60
  4. Step 4: Simplify right side
    792,445.68x = 333,411,736,998.38
  5. Step 5: Solve for x
    x = 333,411,736,998.38/792,445.68
  6. Step 6: Final answer
    x = 420,737.65

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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.