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Finding the Fourth Proportional to 510,820.52, 765,833.17 and 330,525

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Solution

The fourth proportional to 510,820.52, 765,833.17 and 330,525 is: 495,530.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,820.52 : 765,833.17 = 330,525 : x
  2. Step 2: Convert to fraction form
    510,820.52/765,833.17 = 330,525/x
  3. Step 3: Cross multiply
    510,820.52x = 765,833.17 × 330,525
  4. Step 4: Simplify right side
    510,820.52x = 253,127,008,514.25
  5. Step 5: Solve for x
    x = 253,127,008,514.25/510,820.52
  6. Step 6: Final answer
    x = 495,530.23

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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.