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Finding the Fourth Proportional to 577,375, 796,772.64 and 332,407.72

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Solution

The fourth proportional to 577,375, 796,772.64 and 332,407.72 is: 458,719.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,375 : 796,772.64 = 332,407.72 : x
  2. Step 2: Convert to fraction form
    577,375/796,772.64 = 332,407.72/x
  3. Step 3: Cross multiply
    577,375x = 796,772.64 × 332,407.72
  4. Step 4: Simplify right side
    577,375x = 264,853,376,620.78
  5. Step 5: Solve for x
    x = 264,853,376,620.78/577,375
  6. Step 6: Final answer
    x = 458,719.86

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1.5x scale

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.