Home / 521,731.44-719,992.08-295,421.04

Finding the Fourth Proportional to 521,731.44, 719,992.08 and 295,421.04

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Solution

The fourth proportional to 521,731.44, 719,992.08 and 295,421.04 is: 407,682.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,731.44 : 719,992.08 = 295,421.04 : x
  2. Step 2: Convert to fraction form
    521,731.44/719,992.08 = 295,421.04/x
  3. Step 3: Cross multiply
    521,731.44x = 719,992.08 × 295,421.04
  4. Step 4: Simplify right side
    521,731.44x = 212,700,809,065.36
  5. Step 5: Solve for x
    x = 212,700,809,065.36/521,731.44
  6. Step 6: Final answer
    x = 407,682.56

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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.