Home / 1,013.34-1,518.57-500.70

Finding the Fourth Proportional to 1,013.34, 1,518.57 and 500.70

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Solution

The fourth proportional to 1,013.34, 1,518.57 and 500.70 is: 750.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013.34 : 1,518.57 = 500.70 : x
  2. Step 2: Convert to fraction form
    1,013.34/1,518.57 = 500.70/x
  3. Step 3: Cross multiply
    1,013.34x = 1,518.57 × 500.70
  4. Step 4: Simplify right side
    1,013.34x = 760,348.00
  5. Step 5: Solve for x
    x = 760,348.00/1,013.34
  6. Step 6: Final answer
    x = 750.34

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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.