Home / 752,264.82-1,128,398.45-266,308.56

Finding the Fourth Proportional to 752,264.82, 1,128,398.45 and 266,308.56

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Solution

The fourth proportional to 752,264.82, 1,128,398.45 and 266,308.56 is: 399,463.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,264.82 : 1,128,398.45 = 266,308.56 : x
  2. Step 2: Convert to fraction form
    752,264.82/1,128,398.45 = 266,308.56/x
  3. Step 3: Cross multiply
    752,264.82x = 1,128,398.45 × 266,308.56
  4. Step 4: Simplify right side
    752,264.82x = 300,502,164,994.19
  5. Step 5: Solve for x
    x = 300,502,164,994.19/752,264.82
  6. Step 6: Final answer
    x = 399,463.27

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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.