Home / 1,323.49-1,985.28-446.03

Finding the Fourth Proportional to 1,323.49, 1,985.28 and 446.03

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Solution

The fourth proportional to 1,323.49, 1,985.28 and 446.03 is: 669.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323.49 : 1,985.28 = 446.03 : x
  2. Step 2: Convert to fraction form
    1,323.49/1,985.28 = 446.03/x
  3. Step 3: Cross multiply
    1,323.49x = 1,985.28 × 446.03
  4. Step 4: Simplify right side
    1,323.49x = 885,499.63
  5. Step 5: Solve for x
    x = 885,499.63/1,323.49
  6. Step 6: Final answer
    x = 669.06

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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.