Home / 539,721.45-744,827.22-298,019.37

Finding the Fourth Proportional to 539,721.45, 744,827.22 and 298,019.37

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Solution

The fourth proportional to 539,721.45, 744,827.22 and 298,019.37 is: 411,273.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,721.45 : 744,827.22 = 298,019.37 : x
  2. Step 2: Convert to fraction form
    539,721.45/744,827.22 = 298,019.37/x
  3. Step 3: Cross multiply
    539,721.45x = 744,827.22 × 298,019.37
  4. Step 4: Simplify right side
    539,721.45x = 221,972,938,863.25
  5. Step 5: Solve for x
    x = 221,972,938,863.25/539,721.45
  6. Step 6: Final answer
    x = 411,273.15

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1.5x scale

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.