Home / 775,210.32-1,162,824.48-206,588.16

Finding the Fourth Proportional to 775,210.32, 1,162,824.48 and 206,588.16

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Solution

The fourth proportional to 775,210.32, 1,162,824.48 and 206,588.16 is: 309,884.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,210.32 : 1,162,824.48 = 206,588.16 : x
  2. Step 2: Convert to fraction form
    775,210.32/1,162,824.48 = 206,588.16/x
  3. Step 3: Cross multiply
    775,210.32x = 1,162,824.48 × 206,588.16
  4. Step 4: Simplify right side
    775,210.32x = 240,225,769,726.16
  5. Step 5: Solve for x
    x = 240,225,769,726.16/775,210.32
  6. Step 6: Final answer
    x = 309,884.64

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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.