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Finding the Fourth Proportional to 536,011.07, 739,696.70 and 294,309.29

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Solution

The fourth proportional to 536,011.07, 739,696.70 and 294,309.29 is: 406,147.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,011.07 : 739,696.70 = 294,309.29 : x
  2. Step 2: Convert to fraction form
    536,011.07/739,696.70 = 294,309.29/x
  3. Step 3: Cross multiply
    536,011.07x = 739,696.70 × 294,309.29
  4. Step 4: Simplify right side
    536,011.07x = 217,699,613,177.36
  5. Step 5: Solve for x
    x = 217,699,613,177.36/536,011.07
  6. Step 6: Final answer
    x = 406,147.61

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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.