Home / 777,452.24-1,072,517.52-454,964.64

Finding the Fourth Proportional to 777,452.24, 1,072,517.52 and 454,964.64

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Solution

The fourth proportional to 777,452.24, 1,072,517.52 and 454,964.64 is: 627,636.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,452.24 : 1,072,517.52 = 454,964.64 : x
  2. Step 2: Convert to fraction form
    777,452.24/1,072,517.52 = 454,964.64/x
  3. Step 3: Cross multiply
    777,452.24x = 1,072,517.52 × 454,964.64
  4. Step 4: Simplify right side
    777,452.24x = 487,957,547,380.49
  5. Step 5: Solve for x
    x = 487,957,547,380.49/777,452.24
  6. Step 6: Final answer
    x = 627,636.69

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1.5x scale

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.