Home / 681,852.40-1,022,614.57-208,541.86

Finding the Fourth Proportional to 681,852.40, 1,022,614.57 and 208,541.86

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Solution

The fourth proportional to 681,852.40, 1,022,614.57 and 208,541.86 is: 312,762.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,852.40 : 1,022,614.57 = 208,541.86 : x
  2. Step 2: Convert to fraction form
    681,852.40/1,022,614.57 = 208,541.86/x
  3. Step 3: Cross multiply
    681,852.40x = 1,022,614.57 × 208,541.86
  4. Step 4: Simplify right side
    681,852.40x = 213,257,944,490.90
  5. Step 5: Solve for x
    x = 213,257,944,490.90/681,852.40
  6. Step 6: Final answer
    x = 312,762.62

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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.