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Finding the Fourth Proportional to 535,941.64, 739,600.72 and 294,239.78

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Solution

The fourth proportional to 535,941.64, 739,600.72 and 294,239.78 is: 406,051.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,941.64 : 739,600.72 = 294,239.78 : x
  2. Step 2: Convert to fraction form
    535,941.64/739,600.72 = 294,239.78/x
  3. Step 3: Cross multiply
    535,941.64x = 739,600.72 × 294,239.78
  4. Step 4: Simplify right side
    535,941.64x = 217,619,953,140.64
  5. Step 5: Solve for x
    x = 217,619,953,140.64/535,941.64
  6. Step 6: Final answer
    x = 406,051.59

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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.