Home / 631,864.40-946,414.20-382,110.80

Finding the Fourth Proportional to 631,864.40, 946,414.20 and 382,110.80

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Solution

The fourth proportional to 631,864.40, 946,414.20 and 382,110.80 is: 572,330.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,864.40 : 946,414.20 = 382,110.80 : x
  2. Step 2: Convert to fraction form
    631,864.40/946,414.20 = 382,110.80/x
  3. Step 3: Cross multiply
    631,864.40x = 946,414.20 × 382,110.80
  4. Step 4: Simplify right side
    631,864.40x = 361,635,087,093.36
  5. Step 5: Solve for x
    x = 361,635,087,093.36/631,864.40
  6. Step 6: Final answer
    x = 572,330.21

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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.