Home / 825,639.28-1,138,898.32-519,229.64

Finding the Fourth Proportional to 825,639.28, 1,138,898.32 and 519,229.64

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Solution

The fourth proportional to 825,639.28, 1,138,898.32 and 519,229.64 is: 716,232.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,639.28 : 1,138,898.32 = 519,229.64 : x
  2. Step 2: Convert to fraction form
    825,639.28/1,138,898.32 = 519,229.64/x
  3. Step 3: Cross multiply
    825,639.28x = 1,138,898.32 × 519,229.64
  4. Step 4: Simplify right side
    825,639.28x = 591,349,764,690.21
  5. Step 5: Solve for x
    x = 591,349,764,690.21/825,639.28
  6. Step 6: Final answer
    x = 716,232.60

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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.