Home / 576,849.40-796,047.38-318,725.52

Finding the Fourth Proportional to 576,849.40, 796,047.38 and 318,725.52

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Solution

The fourth proportional to 576,849.40, 796,047.38 and 318,725.52 is: 439,838.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,849.40 : 796,047.38 = 318,725.52 : x
  2. Step 2: Convert to fraction form
    576,849.40/796,047.38 = 318,725.52/x
  3. Step 3: Cross multiply
    576,849.40x = 796,047.38 × 318,725.52
  4. Step 4: Simplify right side
    576,849.40x = 253,720,615,135.14
  5. Step 5: Solve for x
    x = 253,720,615,135.14/576,849.40
  6. Step 6: Final answer
    x = 439,838.57

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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.