Home / 842,353.79-1,162,654.77-479,991.24

Finding the Fourth Proportional to 842,353.79, 1,162,654.77 and 479,991.24

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Solution

The fourth proportional to 842,353.79, 1,162,654.77 and 479,991.24 is: 662,505.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,353.79 : 1,162,654.77 = 479,991.24 : x
  2. Step 2: Convert to fraction form
    842,353.79/1,162,654.77 = 479,991.24/x
  3. Step 3: Cross multiply
    842,353.79x = 1,162,654.77 × 479,991.24
  4. Step 4: Simplify right side
    842,353.79x = 558,064,104,744.22
  5. Step 5: Solve for x
    x = 558,064,104,744.22/842,353.79
  6. Step 6: Final answer
    x = 662,505.61

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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.