Home / 785,814.03-1,084,553.82-463,603.32

Finding the Fourth Proportional to 785,814.03, 1,084,553.82 and 463,603.32

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Solution

The fourth proportional to 785,814.03, 1,084,553.82 and 463,603.32 is: 639,849.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,814.03 : 1,084,553.82 = 463,603.32 : x
  2. Step 2: Convert to fraction form
    785,814.03/1,084,553.82 = 463,603.32/x
  3. Step 3: Cross multiply
    785,814.03x = 1,084,553.82 × 463,603.32
  4. Step 4: Simplify right side
    785,814.03x = 502,802,751,670.68
  5. Step 5: Solve for x
    x = 502,802,751,670.68/785,814.03
  6. Step 6: Final answer
    x = 639,849.55

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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.