Home / 829,642.32-1,244,456.52-230,601.72

Finding the Fourth Proportional to 829,642.32, 1,244,456.52 and 230,601.72

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Solution

The fourth proportional to 829,642.32, 1,244,456.52 and 230,601.72 is: 345,900.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,642.32 : 1,244,456.52 = 230,601.72 : x
  2. Step 2: Convert to fraction form
    829,642.32/1,244,456.52 = 230,601.72/x
  3. Step 3: Cross multiply
    829,642.32x = 1,244,456.52 × 230,601.72
  4. Step 4: Simplify right side
    829,642.32x = 286,973,813,977.21
  5. Step 5: Solve for x
    x = 286,973,813,977.21/829,642.32
  6. Step 6: Final answer
    x = 345,900.65

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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.