Home / 726,666.32-1,002,784.68-454,884.09

Finding the Fourth Proportional to 726,666.32, 1,002,784.68 and 454,884.09

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Solution

The fourth proportional to 726,666.32, 1,002,784.68 and 454,884.09 is: 627,730.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,666.32 : 1,002,784.68 = 454,884.09 : x
  2. Step 2: Convert to fraction form
    726,666.32/1,002,784.68 = 454,884.09/x
  3. Step 3: Cross multiply
    726,666.32x = 1,002,784.68 × 454,884.09
  4. Step 4: Simplify right side
    726,666.32x = 456,150,796,627.74
  5. Step 5: Solve for x
    x = 456,150,796,627.74/726,666.32
  6. Step 6: Final answer
    x = 627,730.76

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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.