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Finding the Fourth Proportional to 510,029.92, 703,445.88 and 328,771.36

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Solution

The fourth proportional to 510,029.92, 703,445.88 and 328,771.36 is: 453,449.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,029.92 : 703,445.88 = 328,771.36 : x
  2. Step 2: Convert to fraction form
    510,029.92/703,445.88 = 328,771.36/x
  3. Step 3: Cross multiply
    510,029.92x = 703,445.88 × 328,771.36
  4. Step 4: Simplify right side
    510,029.92x = 231,272,858,654.00
  5. Step 5: Solve for x
    x = 231,272,858,654.00/510,029.92
  6. Step 6: Final answer
    x = 453,449.59

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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.