Home / 670,224.73-1,004,772.42-290,859.81

Finding the Fourth Proportional to 670,224.73, 1,004,772.42 and 290,859.81

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Solution

The fourth proportional to 670,224.73, 1,004,772.42 and 290,859.81 is: 436,044.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,224.73 : 1,004,772.42 = 290,859.81 : x
  2. Step 2: Convert to fraction form
    670,224.73/1,004,772.42 = 290,859.81/x
  3. Step 3: Cross multiply
    670,224.73x = 1,004,772.42 × 290,859.81
  4. Step 4: Simplify right side
    670,224.73x = 292,247,915,174.44
  5. Step 5: Solve for x
    x = 292,247,915,174.44/670,224.73
  6. Step 6: Final answer
    x = 436,044.66

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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.