Home / 726,724.60-1,002,927.08-404,433.72

Finding the Fourth Proportional to 726,724.60, 1,002,927.08 and 404,433.72

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Solution

The fourth proportional to 726,724.60, 1,002,927.08 and 404,433.72 is: 558,144.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,724.60 : 1,002,927.08 = 404,433.72 : x
  2. Step 2: Convert to fraction form
    726,724.60/1,002,927.08 = 404,433.72/x
  3. Step 3: Cross multiply
    726,724.60x = 1,002,927.08 × 404,433.72
  4. Step 4: Simplify right side
    726,724.60x = 405,617,529,853.14
  5. Step 5: Solve for x
    x = 405,617,529,853.14/726,724.60
  6. Step 6: Final answer
    x = 558,144.76

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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.