Home / 855,738.66-1,283,637.75-406,227.96

Finding the Fourth Proportional to 855,738.66, 1,283,637.75 and 406,227.96

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Solution

The fourth proportional to 855,738.66, 1,283,637.75 and 406,227.96 is: 609,356.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,738.66 : 1,283,637.75 = 406,227.96 : x
  2. Step 2: Convert to fraction form
    855,738.66/1,283,637.75 = 406,227.96/x
  3. Step 3: Cross multiply
    855,738.66x = 1,283,637.75 × 406,227.96
  4. Step 4: Simplify right side
    855,738.66x = 521,449,544,561.49
  5. Step 5: Solve for x
    x = 521,449,544,561.49/855,738.66
  6. Step 6: Final answer
    x = 609,356.07

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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.