Home / 822,569.33-1,135,137.89-459,989.03

Finding the Fourth Proportional to 822,569.33, 1,135,137.89 and 459,989.03

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Solution

The fourth proportional to 822,569.33, 1,135,137.89 and 459,989.03 is: 634,780.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,569.33 : 1,135,137.89 = 459,989.03 : x
  2. Step 2: Convert to fraction form
    822,569.33/1,135,137.89 = 459,989.03/x
  3. Step 3: Cross multiply
    822,569.33x = 1,135,137.89 × 459,989.03
  4. Step 4: Simplify right side
    822,569.33x = 522,150,976,937.35
  5. Step 5: Solve for x
    x = 522,150,976,937.35/822,569.33
  6. Step 6: Final answer
    x = 634,780.51

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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.