Home / 725,976.40-1,088,089.80-370,807.60

Finding the Fourth Proportional to 725,976.40, 1,088,089.80 and 370,807.60

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Solution

The fourth proportional to 725,976.40, 1,088,089.80 and 370,807.60 is: 555,764.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,976.40 : 1,088,089.80 = 370,807.60 : x
  2. Step 2: Convert to fraction form
    725,976.40/1,088,089.80 = 370,807.60/x
  3. Step 3: Cross multiply
    725,976.40x = 1,088,089.80 × 370,807.60
  4. Step 4: Simplify right side
    725,976.40x = 403,471,967,322.48
  5. Step 5: Solve for x
    x = 403,471,967,322.48/725,976.40
  6. Step 6: Final answer
    x = 555,764.58

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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.