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Finding the Fourth Proportional to 650,185.66, 897,436.53 and 378,306.07

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Solution

The fourth proportional to 650,185.66, 897,436.53 and 378,306.07 is: 522,167.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,185.66 : 897,436.53 = 378,306.07 : x
  2. Step 2: Convert to fraction form
    650,185.66/897,436.53 = 378,306.07/x
  3. Step 3: Cross multiply
    650,185.66x = 897,436.53 × 378,306.07
  4. Step 4: Simplify right side
    650,185.66x = 339,505,686,738.74
  5. Step 5: Solve for x
    x = 339,505,686,738.74/650,185.66
  6. Step 6: Final answer
    x = 522,167.29

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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.