Home / 1,323.45-1,985.41-446.04

Finding the Fourth Proportional to 1,323.45, 1,985.41 and 446.04

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Solution

The fourth proportional to 1,323.45, 1,985.41 and 446.04 is: 669.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323.45 : 1,985.41 = 446.04 : x
  2. Step 2: Convert to fraction form
    1,323.45/1,985.41 = 446.04/x
  3. Step 3: Cross multiply
    1,323.45x = 1,985.41 × 446.04
  4. Step 4: Simplify right side
    1,323.45x = 885,572.28
  5. Step 5: Solve for x
    x = 885,572.28/1,323.45
  6. Step 6: Final answer
    x = 669.14

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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.