Home / 839,004.48-1,157,771.61-494,761.45

Finding the Fourth Proportional to 839,004.48, 1,157,771.61 and 494,761.45

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Solution

The fourth proportional to 839,004.48, 1,157,771.61 and 494,761.45 is: 682,738.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,004.48 : 1,157,771.61 = 494,761.45 : x
  2. Step 2: Convert to fraction form
    839,004.48/1,157,771.61 = 494,761.45/x
  3. Step 3: Cross multiply
    839,004.48x = 1,157,771.61 × 494,761.45
  4. Step 4: Simplify right side
    839,004.48x = 572,820,754,743.58
  5. Step 5: Solve for x
    x = 572,820,754,743.58/839,004.48
  6. Step 6: Final answer
    x = 682,738.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.