Home / 822,868.39-1,135,061.84-543,467.30

Finding the Fourth Proportional to 822,868.39, 1,135,061.84 and 543,467.30

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Solution

The fourth proportional to 822,868.39, 1,135,061.84 and 543,467.30 is: 749,656.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,868.39 : 1,135,061.84 = 543,467.30 : x
  2. Step 2: Convert to fraction form
    822,868.39/1,135,061.84 = 543,467.30/x
  3. Step 3: Cross multiply
    822,868.39x = 1,135,061.84 × 543,467.30
  4. Step 4: Simplify right side
    822,868.39x = 616,868,992,393.55
  5. Step 5: Solve for x
    x = 616,868,992,393.55/822,868.39
  6. Step 6: Final answer
    x = 749,656.93

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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.