Home / 677,120.56-1,015,813.59-250,659.65

Finding the Fourth Proportional to 677,120.56, 1,015,813.59 and 250,659.65

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Solution

The fourth proportional to 677,120.56, 1,015,813.59 and 250,659.65 is: 376,038.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,120.56 : 1,015,813.59 = 250,659.65 : x
  2. Step 2: Convert to fraction form
    677,120.56/1,015,813.59 = 250,659.65/x
  3. Step 3: Cross multiply
    677,120.56x = 1,015,813.59 × 250,659.65
  4. Step 4: Simplify right side
    677,120.56x = 254,623,481,474.18
  5. Step 5: Solve for x
    x = 254,623,481,474.18/677,120.56
  6. Step 6: Final answer
    x = 376,038.62

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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.