Home / 684,786.02-1,026,305.51-324,956.21

Finding the Fourth Proportional to 684,786.02, 1,026,305.51 and 324,956.21

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Solution

The fourth proportional to 684,786.02, 1,026,305.51 and 324,956.21 is: 487,019.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,786.02 : 1,026,305.51 = 324,956.21 : x
  2. Step 2: Convert to fraction form
    684,786.02/1,026,305.51 = 324,956.21/x
  3. Step 3: Cross multiply
    684,786.02x = 1,026,305.51 × 324,956.21
  4. Step 4: Simplify right side
    684,786.02x = 333,504,342,075.41
  5. Step 5: Solve for x
    x = 333,504,342,075.41/684,786.02
  6. Step 6: Final answer
    x = 487,019.79

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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.