Home / 1,284.90-1,927.38-463.24

Finding the Fourth Proportional to 1,284.90, 1,927.38 and 463.24

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Solution

The fourth proportional to 1,284.90, 1,927.38 and 463.24 is: 694.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284.90 : 1,927.38 = 463.24 : x
  2. Step 2: Convert to fraction form
    1,284.90/1,927.38 = 463.24/x
  3. Step 3: Cross multiply
    1,284.90x = 1,927.38 × 463.24
  4. Step 4: Simplify right side
    1,284.90x = 892,839.51
  5. Step 5: Solve for x
    x = 892,839.51/1,284.90
  6. Step 6: Final answer
    x = 694.87

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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.