Home / 1,046.12-1,443.60-580.40

Finding the Fourth Proportional to 1,046.12, 1,443.60 and 580.40

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Solution

The fourth proportional to 1,046.12, 1,443.60 and 580.40 is: 800.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046.12 : 1,443.60 = 580.40 : x
  2. Step 2: Convert to fraction form
    1,046.12/1,443.60 = 580.40/x
  3. Step 3: Cross multiply
    1,046.12x = 1,443.60 × 580.40
  4. Step 4: Simplify right side
    1,046.12x = 837,865.44
  5. Step 5: Solve for x
    x = 837,865.44/1,046.12
  6. Step 6: Final answer
    x = 800.93

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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.