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Finding the Fourth Proportional to 494,336.93, 740,658.74 and 269,854.74

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Solution

The fourth proportional to 494,336.93, 740,658.74 and 269,854.74 is: 404,319.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,336.93 : 740,658.74 = 269,854.74 : x
  2. Step 2: Convert to fraction form
    494,336.93/740,658.74 = 269,854.74/x
  3. Step 3: Cross multiply
    494,336.93x = 740,658.74 × 269,854.74
  4. Step 4: Simplify right side
    494,336.93x = 199,870,270,362.15
  5. Step 5: Solve for x
    x = 199,870,270,362.15/494,336.93
  6. Step 6: Final answer
    x = 404,319.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.