Home / 909,976.40-1,366,087.80-573,016.40

Finding the Fourth Proportional to 909,976.40, 1,366,087.80 and 573,016.40

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Solution

The fourth proportional to 909,976.40, 1,366,087.80 and 573,016.40 is: 860,231.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,976.40 : 1,366,087.80 = 573,016.40 : x
  2. Step 2: Convert to fraction form
    909,976.40/1,366,087.80 = 573,016.40/x
  3. Step 3: Cross multiply
    909,976.40x = 1,366,087.80 × 573,016.40
  4. Step 4: Simplify right side
    909,976.40x = 782,790,713,239.92
  5. Step 5: Solve for x
    x = 782,790,713,239.92/909,976.40
  6. Step 6: Final answer
    x = 860,231.88

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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.