Home / 1,045.22-1,442.58-603.04

Finding the Fourth Proportional to 1,045.22, 1,442.58 and 603.04

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Solution

The fourth proportional to 1,045.22, 1,442.58 and 603.04 is: 832.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045.22 : 1,442.58 = 603.04 : x
  2. Step 2: Convert to fraction form
    1,045.22/1,442.58 = 603.04/x
  3. Step 3: Cross multiply
    1,045.22x = 1,442.58 × 603.04
  4. Step 4: Simplify right side
    1,045.22x = 869,933.44
  5. Step 5: Solve for x
    x = 869,933.44/1,045.22
  6. Step 6: Final answer
    x = 832.30

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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.