Home / 753,614.70-1,133,046.45-638,141.10

Finding the Fourth Proportional to 753,614.70, 1,133,046.45 and 638,141.10

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Solution

The fourth proportional to 753,614.70, 1,133,046.45 and 638,141.10 is: 959,433.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,614.70 : 1,133,046.45 = 638,141.10 : x
  2. Step 2: Convert to fraction form
    753,614.70/1,133,046.45 = 638,141.10/x
  3. Step 3: Cross multiply
    753,614.70x = 1,133,046.45 × 638,141.10
  4. Step 4: Simplify right side
    753,614.70x = 723,043,507,954.10
  5. Step 5: Solve for x
    x = 723,043,507,954.10/753,614.70
  6. Step 6: Final answer
    x = 959,433.92

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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.