Home / 791,984.96-1,187,085-392,911.76

Finding the Fourth Proportional to 791,984.96, 1,187,085 and 392,911.76

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Solution

The fourth proportional to 791,984.96, 1,187,085 and 392,911.76 is: 588,924.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,984.96 : 1,187,085 = 392,911.76 : x
  2. Step 2: Convert to fraction form
    791,984.96/1,187,085 = 392,911.76/x
  3. Step 3: Cross multiply
    791,984.96x = 1,187,085 × 392,911.76
  4. Step 4: Simplify right side
    791,984.96x = 466,419,656,619.60
  5. Step 5: Solve for x
    x = 466,419,656,619.60/791,984.96
  6. Step 6: Final answer
    x = 588,924.89

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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.