Home / 755,396.68-1,133,333.16-356,021.32

Finding the Fourth Proportional to 755,396.68, 1,133,333.16 and 356,021.32

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Solution

The fourth proportional to 755,396.68, 1,133,333.16 and 356,021.32 is: 534,144.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,396.68 : 1,133,333.16 = 356,021.32 : x
  2. Step 2: Convert to fraction form
    755,396.68/1,133,333.16 = 356,021.32/x
  3. Step 3: Cross multiply
    755,396.68x = 1,133,333.16 × 356,021.32
  4. Step 4: Simplify right side
    755,396.68x = 403,490,767,622.97
  5. Step 5: Solve for x
    x = 403,490,767,622.97/755,396.68
  6. Step 6: Final answer
    x = 534,144.22

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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.