Home / 486,949.05-671,993.07-272,098.17

Finding the Fourth Proportional to 486,949.05, 671,993.07 and 272,098.17

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Solution

The fourth proportional to 486,949.05, 671,993.07 and 272,098.17 is: 375,497.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,949.05 : 671,993.07 = 272,098.17 : x
  2. Step 2: Convert to fraction form
    486,949.05/671,993.07 = 272,098.17/x
  3. Step 3: Cross multiply
    486,949.05x = 671,993.07 × 272,098.17
  4. Step 4: Simplify right side
    486,949.05x = 182,848,084,599.68
  5. Step 5: Solve for x
    x = 182,848,084,599.68/486,949.05
  6. Step 6: Final answer
    x = 375,497.36

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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.