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Finding the Fourth Proportional to 510,062.48, 703,858.03 and 283,693.40

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Solution

The fourth proportional to 510,062.48, 703,858.03 and 283,693.40 is: 391,481.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,062.48 : 703,858.03 = 283,693.40 : x
  2. Step 2: Convert to fraction form
    510,062.48/703,858.03 = 283,693.40/x
  3. Step 3: Cross multiply
    510,062.48x = 703,858.03 × 283,693.40
  4. Step 4: Simplify right side
    510,062.48x = 199,679,877,648.00
  5. Step 5: Solve for x
    x = 199,679,877,648.00/510,062.48
  6. Step 6: Final answer
    x = 391,481.21

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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.