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Finding the Fourth Proportional to 535,066.93, 738,398.37 and 305,654.59

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Solution

The fourth proportional to 535,066.93, 738,398.37 and 305,654.59 is: 421,806.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,066.93 : 738,398.37 = 305,654.59 : x
  2. Step 2: Convert to fraction form
    535,066.93/738,398.37 = 305,654.59/x
  3. Step 3: Cross multiply
    535,066.93x = 738,398.37 × 305,654.59
  4. Step 4: Simplify right side
    535,066.93x = 225,694,851,039.02
  5. Step 5: Solve for x
    x = 225,694,851,039.02/535,066.93
  6. Step 6: Final answer
    x = 421,806.77

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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.