Home / 521,884.12-720,200.09-295,573.36

Finding the Fourth Proportional to 521,884.12, 720,200.09 and 295,573.36

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Solution

The fourth proportional to 521,884.12, 720,200.09 and 295,573.36 is: 407,891.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,884.12 : 720,200.09 = 295,573.36 : x
  2. Step 2: Convert to fraction form
    521,884.12/720,200.09 = 295,573.36/x
  3. Step 3: Cross multiply
    521,884.12x = 720,200.09 × 295,573.36
  4. Step 4: Simplify right side
    521,884.12x = 212,871,960,473.60
  5. Step 5: Solve for x
    x = 212,871,960,473.60/521,884.12
  6. Step 6: Final answer
    x = 407,891.24

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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.