Home / 770,013.82-1,154,932.48-201,449.78

Finding the Fourth Proportional to 770,013.82, 1,154,932.48 and 201,449.78

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Solution

The fourth proportional to 770,013.82, 1,154,932.48 and 201,449.78 is: 302,151.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,013.82 : 1,154,932.48 = 201,449.78 : x
  2. Step 2: Convert to fraction form
    770,013.82/1,154,932.48 = 201,449.78/x
  3. Step 3: Cross multiply
    770,013.82x = 1,154,932.48 × 201,449.78
  4. Step 4: Simplify right side
    770,013.82x = 232,660,898,748.92
  5. Step 5: Solve for x
    x = 232,660,898,748.92/770,013.82
  6. Step 6: Final answer
    x = 302,151.59

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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.