Home / 641,726.64-885,631.94-366,090.56

Finding the Fourth Proportional to 641,726.64, 885,631.94 and 366,090.56

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Solution

The fourth proportional to 641,726.64, 885,631.94 and 366,090.56 is: 505,233.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,726.64 : 885,631.94 = 366,090.56 : x
  2. Step 2: Convert to fraction form
    641,726.64/885,631.94 = 366,090.56/x
  3. Step 3: Cross multiply
    641,726.64x = 885,631.94 × 366,090.56
  4. Step 4: Simplify right side
    641,726.64x = 324,221,492,868.49
  5. Step 5: Solve for x
    x = 324,221,492,868.49/641,726.64
  6. Step 6: Final answer
    x = 505,233.03

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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.