Home / 872,982.96-1,308,364.12-392,697.24

Finding the Fourth Proportional to 872,982.96, 1,308,364.12 and 392,697.24

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Solution

The fourth proportional to 872,982.96, 1,308,364.12 and 392,697.24 is: 588,546.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,982.96 : 1,308,364.12 = 392,697.24 : x
  2. Step 2: Convert to fraction form
    872,982.96/1,308,364.12 = 392,697.24/x
  3. Step 3: Cross multiply
    872,982.96x = 1,308,364.12 × 392,697.24
  4. Step 4: Simplify right side
    872,982.96x = 513,790,978,839.03
  5. Step 5: Solve for x
    x = 513,790,978,839.03/872,982.96
  6. Step 6: Final answer
    x = 588,546.40

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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.