Home / 1,048.20-1,446.15-606.21

Finding the Fourth Proportional to 1,048.20, 1,446.15 and 606.21

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Solution

The fourth proportional to 1,048.20, 1,446.15 and 606.21 is: 836.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048.20 : 1,446.15 = 606.21 : x
  2. Step 2: Convert to fraction form
    1,048.20/1,446.15 = 606.21/x
  3. Step 3: Cross multiply
    1,048.20x = 1,446.15 × 606.21
  4. Step 4: Simplify right side
    1,048.20x = 876,670.59
  5. Step 5: Solve for x
    x = 876,670.59/1,048.20
  6. Step 6: Final answer
    x = 836.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.