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Finding the Fourth Proportional to 510,819.52, 765,831.67 and 330,524.00

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Solution

The fourth proportional to 510,819.52, 765,831.67 and 330,524.00 is: 495,528.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,819.52 : 765,831.67 = 330,524.00 : x
  2. Step 2: Convert to fraction form
    510,819.52/765,831.67 = 330,524.00/x
  3. Step 3: Cross multiply
    510,819.52x = 765,831.67 × 330,524.00
  4. Step 4: Simplify right side
    510,819.52x = 253,125,745,111.48
  5. Step 5: Solve for x
    x = 253,125,745,111.48/510,819.52
  6. Step 6: Final answer
    x = 495,528.72

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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.