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Finding the Fourth Proportional to 743,304.62, 1,025,963 and 437,479.14

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Solution

The fourth proportional to 743,304.62, 1,025,963 and 437,479.14 is: 603,840.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,304.62 : 1,025,963 = 437,479.14 : x
  2. Step 2: Convert to fraction form
    743,304.62/1,025,963 = 437,479.14/x
  3. Step 3: Cross multiply
    743,304.62x = 1,025,963 × 437,479.14
  4. Step 4: Simplify right side
    743,304.62x = 448,837,410,911.82
  5. Step 5: Solve for x
    x = 448,837,410,911.82/743,304.62
  6. Step 6: Final answer
    x = 603,840.47

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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.