Home / 1,346.43-2,020.05-524.70

Finding the Fourth Proportional to 1,346.43, 2,020.05 and 524.70

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Solution

The fourth proportional to 1,346.43, 2,020.05 and 524.70 is: 787.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346.43 : 2,020.05 = 524.70 : x
  2. Step 2: Convert to fraction form
    1,346.43/2,020.05 = 524.70/x
  3. Step 3: Cross multiply
    1,346.43x = 2,020.05 × 524.70
  4. Step 4: Simplify right side
    1,346.43x = 1,059,920.24
  5. Step 5: Solve for x
    x = 1,059,920.24/1,346.43
  6. Step 6: Final answer
    x = 787.21

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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.