Home / 748,168.94-1,032,473.14-408,638

Finding the Fourth Proportional to 748,168.94, 1,032,473.14 and 408,638

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Solution

The fourth proportional to 748,168.94, 1,032,473.14 and 408,638 is: 563,920.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,168.94 : 1,032,473.14 = 408,638 : x
  2. Step 2: Convert to fraction form
    748,168.94/1,032,473.14 = 408,638/x
  3. Step 3: Cross multiply
    748,168.94x = 1,032,473.14 × 408,638
  4. Step 4: Simplify right side
    748,168.94x = 421,907,758,983.32
  5. Step 5: Solve for x
    x = 421,907,758,983.32/748,168.94
  6. Step 6: Final answer
    x = 563,920.44

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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.