Home / 576,145.20-863,483.40-323,425.20

Finding the Fourth Proportional to 576,145.20, 863,483.40 and 323,425.20

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Solution

The fourth proportional to 576,145.20, 863,483.40 and 323,425.20 is: 484,725.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,145.20 : 863,483.40 = 323,425.20 : x
  2. Step 2: Convert to fraction form
    576,145.20/863,483.40 = 323,425.20/x
  3. Step 3: Cross multiply
    576,145.20x = 863,483.40 × 323,425.20
  4. Step 4: Simplify right side
    576,145.20x = 279,272,291,341.68
  5. Step 5: Solve for x
    x = 279,272,291,341.68/576,145.20
  6. Step 6: Final answer
    x = 484,725.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.