Home / 650,184.10-897,434.37-378,304.50

Finding the Fourth Proportional to 650,184.10, 897,434.37 and 378,304.50

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Solution

The fourth proportional to 650,184.10, 897,434.37 and 378,304.50 is: 522,165.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,184.10 : 897,434.37 = 378,304.50 : x
  2. Step 2: Convert to fraction form
    650,184.10/897,434.37 = 378,304.50/x
  3. Step 3: Cross multiply
    650,184.10x = 897,434.37 × 378,304.50
  4. Step 4: Simplify right side
    650,184.10x = 339,503,463,991.04
  5. Step 5: Solve for x
    x = 339,503,463,991.04/650,184.10
  6. Step 6: Final answer
    x = 522,165.13

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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.