Home / 510,142.86-703,997.82-283,788.36

Finding the Fourth Proportional to 510,142.86, 703,997.82 and 283,788.36

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Solution

The fourth proportional to 510,142.86, 703,997.82 and 283,788.36 is: 391,628.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,142.86 : 703,997.82 = 283,788.36 : x
  2. Step 2: Convert to fraction form
    510,142.86/703,997.82 = 283,788.36/x
  3. Step 3: Cross multiply
    510,142.86x = 703,997.82 × 283,788.36
  4. Step 4: Simplify right side
    510,142.86x = 199,786,386,781.38
  5. Step 5: Solve for x
    x = 199,786,386,781.38/510,142.86
  6. Step 6: Final answer
    x = 391,628.31

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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.