Home / 641,802.62-962,726.25-304,669.60

Finding the Fourth Proportional to 641,802.62, 962,726.25 and 304,669.60

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Solution

The fourth proportional to 641,802.62, 962,726.25 and 304,669.60 is: 457,015.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,802.62 : 962,726.25 = 304,669.60 : x
  2. Step 2: Convert to fraction form
    641,802.62/962,726.25 = 304,669.60/x
  3. Step 3: Cross multiply
    641,802.62x = 962,726.25 × 304,669.60
  4. Step 4: Simplify right side
    641,802.62x = 293,313,421,497
  5. Step 5: Solve for x
    x = 293,313,421,497/641,802.62
  6. Step 6: Final answer
    x = 457,015.00

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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.