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Finding the Fourth Proportional to 510,530.85, 704,750.63 and 363,450.66

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Solution

The fourth proportional to 510,530.85, 704,750.63 and 363,450.66 is: 501,717.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,530.85 : 704,750.63 = 363,450.66 : x
  2. Step 2: Convert to fraction form
    510,530.85/704,750.63 = 363,450.66/x
  3. Step 3: Cross multiply
    510,530.85x = 704,750.63 × 363,450.66
  4. Step 4: Simplify right side
    510,530.85x = 256,142,081,608.92
  5. Step 5: Solve for x
    x = 256,142,081,608.92/510,530.85
  6. Step 6: Final answer
    x = 501,717.15

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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.