Home / 775,971.20-1,163,953.56-215,004.08

Finding the Fourth Proportional to 775,971.20, 1,163,953.56 and 215,004.08

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Solution

The fourth proportional to 775,971.20, 1,163,953.56 and 215,004.08 is: 322,505.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,971.20 : 1,163,953.56 = 215,004.08 : x
  2. Step 2: Convert to fraction form
    775,971.20/1,163,953.56 = 215,004.08/x
  3. Step 3: Cross multiply
    775,971.20x = 1,163,953.56 × 215,004.08
  4. Step 4: Simplify right side
    775,971.20x = 250,254,764,330.53
  5. Step 5: Solve for x
    x = 250,254,764,330.53/775,971.20
  6. Step 6: Final answer
    x = 322,505.22

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1.5x scale

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.