Home / 804,894.17-1,207,907.10-378,449.55

Finding the Fourth Proportional to 804,894.17, 1,207,907.10 and 378,449.55

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Solution

The fourth proportional to 804,894.17, 1,207,907.10 and 378,449.55 is: 567,940.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,894.17 : 1,207,907.10 = 378,449.55 : x
  2. Step 2: Convert to fraction form
    804,894.17/1,207,907.10 = 378,449.55/x
  3. Step 3: Cross multiply
    804,894.17x = 1,207,907.10 × 378,449.55
  4. Step 4: Simplify right side
    804,894.17x = 457,131,898,436.81
  5. Step 5: Solve for x
    x = 457,131,898,436.81/804,894.17
  6. Step 6: Final answer
    x = 567,940.38

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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.