Home / 755,857.06-1,131,122.64-471,681.32

Finding the Fourth Proportional to 755,857.06, 1,131,122.64 and 471,681.32

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Solution

The fourth proportional to 755,857.06, 1,131,122.64 and 471,681.32 is: 705,860.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,857.06 : 1,131,122.64 = 471,681.32 : x
  2. Step 2: Convert to fraction form
    755,857.06/1,131,122.64 = 471,681.32/x
  3. Step 3: Cross multiply
    755,857.06x = 1,131,122.64 × 471,681.32
  4. Step 4: Simplify right side
    755,857.06x = 533,529,419,917.09
  5. Step 5: Solve for x
    x = 533,529,419,917.09/755,857.06
  6. Step 6: Final answer
    x = 705,860.21

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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.