Home / 857,591.76-1,183,287.12-494,938.56

Finding the Fourth Proportional to 857,591.76, 1,183,287.12 and 494,938.56

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Solution

The fourth proportional to 857,591.76, 1,183,287.12 and 494,938.56 is: 682,905.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,591.76 : 1,183,287.12 = 494,938.56 : x
  2. Step 2: Convert to fraction form
    857,591.76/1,183,287.12 = 494,938.56/x
  3. Step 3: Cross multiply
    857,591.76x = 1,183,287.12 × 494,938.56
  4. Step 4: Simplify right side
    857,591.76x = 585,654,423,239.35
  5. Step 5: Solve for x
    x = 585,654,423,239.35/857,591.76
  6. Step 6: Final answer
    x = 682,905.84

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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.