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Finding the Fourth Proportional to 494,386.60, 741,574.50 and 375,175.86

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Solution

The fourth proportional to 494,386.60, 741,574.50 and 375,175.86 is: 562,759.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,386.60 : 741,574.50 = 375,175.86 : x
  2. Step 2: Convert to fraction form
    494,386.60/741,574.50 = 375,175.86/x
  3. Step 3: Cross multiply
    494,386.60x = 741,574.50 × 375,175.86
  4. Step 4: Simplify right side
    494,386.60x = 278,220,850,791.57
  5. Step 5: Solve for x
    x = 278,220,850,791.57/494,386.60
  6. Step 6: Final answer
    x = 562,759.69

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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.