Home / 1,285.42-1,926.60-504.49

Finding the Fourth Proportional to 1,285.42, 1,926.60 and 504.49

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Solution

The fourth proportional to 1,285.42, 1,926.60 and 504.49 is: 756.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285.42 : 1,926.60 = 504.49 : x
  2. Step 2: Convert to fraction form
    1,285.42/1,926.60 = 504.49/x
  3. Step 3: Cross multiply
    1,285.42x = 1,926.60 × 504.49
  4. Step 4: Simplify right side
    1,285.42x = 971,950.43
  5. Step 5: Solve for x
    x = 971,950.43/1,285.42
  6. Step 6: Final answer
    x = 756.13

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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.