Home / 725,570.40-1,088,528.40-304,629.60

Finding the Fourth Proportional to 725,570.40, 1,088,528.40 and 304,629.60

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Solution

The fourth proportional to 725,570.40, 1,088,528.40 and 304,629.60 is: 457,016.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,570.40 : 1,088,528.40 = 304,629.60 : x
  2. Step 2: Convert to fraction form
    725,570.40/1,088,528.40 = 304,629.60/x
  3. Step 3: Cross multiply
    725,570.40x = 1,088,528.40 × 304,629.60
  4. Step 4: Simplify right side
    725,570.40x = 331,597,971,080.64
  5. Step 5: Solve for x
    x = 331,597,971,080.64/725,570.40
  6. Step 6: Final answer
    x = 457,016.95

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1.5x scale

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.