Home / 855,637.84-1,283,453.34-215,943.04

Finding the Fourth Proportional to 855,637.84, 1,283,453.34 and 215,943.04

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Solution

The fourth proportional to 855,637.84, 1,283,453.34 and 215,943.04 is: 323,913.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,637.84 : 1,283,453.34 = 215,943.04 : x
  2. Step 2: Convert to fraction form
    855,637.84/1,283,453.34 = 215,943.04/x
  3. Step 3: Cross multiply
    855,637.84x = 1,283,453.34 × 215,943.04
  4. Step 4: Simplify right side
    855,637.84x = 277,152,815,937.75
  5. Step 5: Solve for x
    x = 277,152,815,937.75/855,637.84
  6. Step 6: Final answer
    x = 323,913.70

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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.