Home / 1,470.30-2,204.57-579.77

Finding the Fourth Proportional to 1,470.30, 2,204.57 and 579.77

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Solution

The fourth proportional to 1,470.30, 2,204.57 and 579.77 is: 869.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470.30 : 2,204.57 = 579.77 : x
  2. Step 2: Convert to fraction form
    1,470.30/2,204.57 = 579.77/x
  3. Step 3: Cross multiply
    1,470.30x = 2,204.57 × 579.77
  4. Step 4: Simplify right side
    1,470.30x = 1,278,129.63
  5. Step 5: Solve for x
    x = 1,278,129.63/1,470.30
  6. Step 6: Final answer
    x = 869.30

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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.