Home / 930,721.82-1,395,916.43-247,612.37

Finding the Fourth Proportional to 930,721.82, 1,395,916.43 and 247,612.37

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Solution

The fourth proportional to 930,721.82, 1,395,916.43 and 247,612.37 is: 371,374.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,721.82 : 1,395,916.43 = 247,612.37 : x
  2. Step 2: Convert to fraction form
    930,721.82/1,395,916.43 = 247,612.37/x
  3. Step 3: Cross multiply
    930,721.82x = 1,395,916.43 × 247,612.37
  4. Step 4: Simplify right side
    930,721.82x = 345,646,177,805.97
  5. Step 5: Solve for x
    x = 345,646,177,805.97/930,721.82
  6. Step 6: Final answer
    x = 371,374.31

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1.5x scale

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.