Home / 1,012.08-1,515.37-524.11

Finding the Fourth Proportional to 1,012.08, 1,515.37 and 524.11

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Solution

The fourth proportional to 1,012.08, 1,515.37 and 524.11 is: 784.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012.08 : 1,515.37 = 524.11 : x
  2. Step 2: Convert to fraction form
    1,012.08/1,515.37 = 524.11/x
  3. Step 3: Cross multiply
    1,012.08x = 1,515.37 × 524.11
  4. Step 4: Simplify right side
    1,012.08x = 794,217.90
  5. Step 5: Solve for x
    x = 794,217.90/1,012.08
  6. Step 6: Final answer
    x = 784.74

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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.