Home / 817,087.80-1,225,828.58-256,122.30

Finding the Fourth Proportional to 817,087.80, 1,225,828.58 and 256,122.30

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Solution

The fourth proportional to 817,087.80, 1,225,828.58 and 256,122.30 is: 384,245.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,087.80 : 1,225,828.58 = 256,122.30 : x
  2. Step 2: Convert to fraction form
    817,087.80/1,225,828.58 = 256,122.30/x
  3. Step 3: Cross multiply
    817,087.80x = 1,225,828.58 × 256,122.30
  4. Step 4: Simplify right side
    817,087.80x = 313,962,034,034.72
  5. Step 5: Solve for x
    x = 313,962,034,034.72/817,087.80
  6. Step 6: Final answer
    x = 384,245.16

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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.