Home / 521,929.62-720,238.77-295,576.74

Finding the Fourth Proportional to 521,929.62, 720,238.77 and 295,576.74

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Solution

The fourth proportional to 521,929.62, 720,238.77 and 295,576.74 is: 407,882.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,929.62 : 720,238.77 = 295,576.74 : x
  2. Step 2: Convert to fraction form
    521,929.62/720,238.77 = 295,576.74/x
  3. Step 3: Cross multiply
    521,929.62x = 720,238.77 × 295,576.74
  4. Step 4: Simplify right side
    521,929.62x = 212,885,827,658.21
  5. Step 5: Solve for x
    x = 212,885,827,658.21/521,929.62
  6. Step 6: Final answer
    x = 407,882.25

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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.