Home / 777,824.49-1,073,359.29-438,314.61

Finding the Fourth Proportional to 777,824.49, 1,073,359.29 and 438,314.61

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Solution

The fourth proportional to 777,824.49, 1,073,359.29 and 438,314.61 is: 604,852.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,824.49 : 1,073,359.29 = 438,314.61 : x
  2. Step 2: Convert to fraction form
    777,824.49/1,073,359.29 = 438,314.61/x
  3. Step 3: Cross multiply
    777,824.49x = 1,073,359.29 × 438,314.61
  4. Step 4: Simplify right side
    777,824.49x = 470,469,058,586.23
  5. Step 5: Solve for x
    x = 470,469,058,586.23/777,824.49
  6. Step 6: Final answer
    x = 604,852.46

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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.