Home / 752,979.87-1,129,690.98-303,470.01

Finding the Fourth Proportional to 752,979.87, 1,129,690.98 and 303,470.01

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Solution

The fourth proportional to 752,979.87, 1,129,690.98 and 303,470.01 is: 455,294.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,979.87 : 1,129,690.98 = 303,470.01 : x
  2. Step 2: Convert to fraction form
    752,979.87/1,129,690.98 = 303,470.01/x
  3. Step 3: Cross multiply
    752,979.87x = 1,129,690.98 × 303,470.01
  4. Step 4: Simplify right side
    752,979.87x = 342,827,332,997.51
  5. Step 5: Solve for x
    x = 342,827,332,997.51/752,979.87
  6. Step 6: Final answer
    x = 455,294.15

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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.