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Finding the Fourth Proportional to 807,580, 1,114,483.44 and 449,907.04

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Solution

The fourth proportional to 807,580, 1,114,483.44 and 449,907.04 is: 620,884.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,580 : 1,114,483.44 = 449,907.04 : x
  2. Step 2: Convert to fraction form
    807,580/1,114,483.44 = 449,907.04/x
  3. Step 3: Cross multiply
    807,580x = 1,114,483.44 × 449,907.04
  4. Step 4: Simplify right side
    807,580x = 501,413,945,619.42
  5. Step 5: Solve for x
    x = 501,413,945,619.42/807,580
  6. Step 6: Final answer
    x = 620,884.55

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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.