Home / 911,025.60-1,367,121.60-531,945.60

Finding the Fourth Proportional to 911,025.60, 1,367,121.60 and 531,945.60

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Solution

The fourth proportional to 911,025.60, 1,367,121.60 and 531,945.60 is: 798,258.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,025.60 : 1,367,121.60 = 531,945.60 : x
  2. Step 2: Convert to fraction form
    911,025.60/1,367,121.60 = 531,945.60/x
  3. Step 3: Cross multiply
    911,025.60x = 1,367,121.60 × 531,945.60
  4. Step 4: Simplify right side
    911,025.60x = 727,234,319,784.96
  5. Step 5: Solve for x
    x = 727,234,319,784.96/911,025.60
  6. Step 6: Final answer
    x = 798,258.93

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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.