Home / 629,574.90-944,016.06-430,120.50

Finding the Fourth Proportional to 629,574.90, 944,016.06 and 430,120.50

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Solution

The fourth proportional to 629,574.90, 944,016.06 and 430,120.50 is: 644,944.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,574.90 : 944,016.06 = 430,120.50 : x
  2. Step 2: Convert to fraction form
    629,574.90/944,016.06 = 430,120.50/x
  3. Step 3: Cross multiply
    629,574.90x = 944,016.06 × 430,120.50
  4. Step 4: Simplify right side
    629,574.90x = 406,040,659,735.23
  5. Step 5: Solve for x
    x = 406,040,659,735.23/629,574.90
  6. Step 6: Final answer
    x = 644,944.17

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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.