Home / 725,304.30-1,000,901.72-403,015.22

Finding the Fourth Proportional to 725,304.30, 1,000,901.72 and 403,015.22

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Solution

The fourth proportional to 725,304.30, 1,000,901.72 and 403,015.22 is: 556,150.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,304.30 : 1,000,901.72 = 403,015.22 : x
  2. Step 2: Convert to fraction form
    725,304.30/1,000,901.72 = 403,015.22/x
  3. Step 3: Cross multiply
    725,304.30x = 1,000,901.72 × 403,015.22
  4. Step 4: Simplify right side
    725,304.30x = 403,378,626,884.18
  5. Step 5: Solve for x
    x = 403,378,626,884.18/725,304.30
  6. Step 6: Final answer
    x = 556,150.88

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1.5x scale

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.