Home / 809,856.25-1,117,601.73-470,346.37

Finding the Fourth Proportional to 809,856.25, 1,117,601.73 and 470,346.37

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Solution

The fourth proportional to 809,856.25, 1,117,601.73 and 470,346.37 is: 649,078.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,856.25 : 1,117,601.73 = 470,346.37 : x
  2. Step 2: Convert to fraction form
    809,856.25/1,117,601.73 = 470,346.37/x
  3. Step 3: Cross multiply
    809,856.25x = 1,117,601.73 × 470,346.37
  4. Step 4: Simplify right side
    809,856.25x = 525,659,916,811.22
  5. Step 5: Solve for x
    x = 525,659,916,811.22/809,856.25
  6. Step 6: Final answer
    x = 649,078.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.