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Finding the Fourth Proportional to 536,890.62, 740,909.52 and 295,177.32

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Solution

The fourth proportional to 536,890.62, 740,909.52 and 295,177.32 is: 407,344.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,890.62 : 740,909.52 = 295,177.32 : x
  2. Step 2: Convert to fraction form
    536,890.62/740,909.52 = 295,177.32/x
  3. Step 3: Cross multiply
    536,890.62x = 740,909.52 × 295,177.32
  4. Step 4: Simplify right side
    536,890.62x = 218,699,686,476.09
  5. Step 5: Solve for x
    x = 218,699,686,476.09/536,890.62
  6. Step 6: Final answer
    x = 407,344.96

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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.