Home / 855,105.19-1,179,531.01-564,719.43

Finding the Fourth Proportional to 855,105.19, 1,179,531.01 and 564,719.43

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Solution

The fourth proportional to 855,105.19, 1,179,531.01 and 564,719.43 is: 778,973.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,105.19 : 1,179,531.01 = 564,719.43 : x
  2. Step 2: Convert to fraction form
    855,105.19/1,179,531.01 = 564,719.43/x
  3. Step 3: Cross multiply
    855,105.19x = 1,179,531.01 × 564,719.43
  4. Step 4: Simplify right side
    855,105.19x = 666,104,079,634.52
  5. Step 5: Solve for x
    x = 666,104,079,634.52/855,105.19
  6. Step 6: Final answer
    x = 778,973.26

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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.