Home / 925,549.44-1,386,739.80-505,120.56

Finding the Fourth Proportional to 925,549.44, 1,386,739.80 and 505,120.56

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Solution

The fourth proportional to 925,549.44, 1,386,739.80 and 505,120.56 is: 756,816.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,549.44 : 1,386,739.80 = 505,120.56 : x
  2. Step 2: Convert to fraction form
    925,549.44/1,386,739.80 = 505,120.56/x
  3. Step 3: Cross multiply
    925,549.44x = 1,386,739.80 × 505,120.56
  4. Step 4: Simplify right side
    925,549.44x = 700,470,784,350.29
  5. Step 5: Solve for x
    x = 700,470,784,350.29/925,549.44
  6. Step 6: Final answer
    x = 756,816.17

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1.5x scale

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.