Home / 677,085.06-1,015,631.22-203,767.20

Finding the Fourth Proportional to 677,085.06, 1,015,631.22 and 203,767.20

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Solution

The fourth proportional to 677,085.06, 1,015,631.22 and 203,767.20 is: 305,651.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,085.06 : 1,015,631.22 = 203,767.20 : x
  2. Step 2: Convert to fraction form
    677,085.06/1,015,631.22 = 203,767.20/x
  3. Step 3: Cross multiply
    677,085.06x = 1,015,631.22 × 203,767.20
  4. Step 4: Simplify right side
    677,085.06x = 206,952,329,931.98
  5. Step 5: Solve for x
    x = 206,952,329,931.98/677,085.06
  6. Step 6: Final answer
    x = 305,651.89

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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.