Home / 511,115.10-704,860.44-403,941.18

Finding the Fourth Proportional to 511,115.10, 704,860.44 and 403,941.18

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Solution

The fourth proportional to 511,115.10, 704,860.44 and 403,941.18 is: 557,060.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,115.10 : 704,860.44 = 403,941.18 : x
  2. Step 2: Convert to fraction form
    511,115.10/704,860.44 = 403,941.18/x
  3. Step 3: Cross multiply
    511,115.10x = 704,860.44 × 403,941.18
  4. Step 4: Simplify right side
    511,115.10x = 284,722,157,868.92
  5. Step 5: Solve for x
    x = 284,722,157,868.92/511,115.10
  6. Step 6: Final answer
    x = 557,060.74

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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.