Home / 775,964.19-1,070,223.87-504,119.64

Finding the Fourth Proportional to 775,964.19, 1,070,223.87 and 504,119.64

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Solution

The fourth proportional to 775,964.19, 1,070,223.87 and 504,119.64 is: 695,290.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,964.19 : 1,070,223.87 = 504,119.64 : x
  2. Step 2: Convert to fraction form
    775,964.19/1,070,223.87 = 504,119.64/x
  3. Step 3: Cross multiply
    775,964.19x = 1,070,223.87 × 504,119.64
  4. Step 4: Simplify right side
    775,964.19x = 539,520,872,063.81
  5. Step 5: Solve for x
    x = 539,520,872,063.81/775,964.19
  6. Step 6: Final answer
    x = 695,290.94

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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.