Home / 664,209.78-916,533.79-373,765.24

Finding the Fourth Proportional to 664,209.78, 916,533.79 and 373,765.24

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Solution

The fourth proportional to 664,209.78, 916,533.79 and 373,765.24 is: 515,753.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,209.78 : 916,533.79 = 373,765.24 : x
  2. Step 2: Convert to fraction form
    664,209.78/916,533.79 = 373,765.24/x
  3. Step 3: Cross multiply
    664,209.78x = 916,533.79 × 373,765.24
  4. Step 4: Simplify right side
    664,209.78x = 342,568,471,987.46
  5. Step 5: Solve for x
    x = 342,568,471,987.46/664,209.78
  6. Step 6: Final answer
    x = 515,753.43

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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.