Home / 725,722.64-1,001,504.54-399,052.88

Finding the Fourth Proportional to 725,722.64, 1,001,504.54 and 399,052.88

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Solution

The fourth proportional to 725,722.64, 1,001,504.54 and 399,052.88 is: 550,696.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,722.64 : 1,001,504.54 = 399,052.88 : x
  2. Step 2: Convert to fraction form
    725,722.64/1,001,504.54 = 399,052.88/x
  3. Step 3: Cross multiply
    725,722.64x = 1,001,504.54 × 399,052.88
  4. Step 4: Simplify right side
    725,722.64x = 399,653,264,017.29
  5. Step 5: Solve for x
    x = 399,653,264,017.29/725,722.64
  6. Step 6: Final answer
    x = 550,696.98

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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.