Home / 1,284.73-1,926.93-504.70

Finding the Fourth Proportional to 1,284.73, 1,926.93 and 504.70

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Solution

The fourth proportional to 1,284.73, 1,926.93 and 504.70 is: 756.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284.73 : 1,926.93 = 504.70 : x
  2. Step 2: Convert to fraction form
    1,284.73/1,926.93 = 504.70/x
  3. Step 3: Cross multiply
    1,284.73x = 1,926.93 × 504.70
  4. Step 4: Simplify right side
    1,284.73x = 972,521.57
  5. Step 5: Solve for x
    x = 972,521.57/1,284.73
  6. Step 6: Final answer
    x = 756.99

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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.