Home / 814,843.04-1,223,464.40-455,717.52

Finding the Fourth Proportional to 814,843.04, 1,223,464.40 and 455,717.52

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Solution

The fourth proportional to 814,843.04, 1,223,464.40 and 455,717.52 is: 684,247.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,843.04 : 1,223,464.40 = 455,717.52 : x
  2. Step 2: Convert to fraction form
    814,843.04/1,223,464.40 = 455,717.52/x
  3. Step 3: Cross multiply
    814,843.04x = 1,223,464.40 × 455,717.52
  4. Step 4: Simplify right side
    814,843.04x = 557,554,162,176.29
  5. Step 5: Solve for x
    x = 557,554,162,176.29/814,843.04
  6. Step 6: Final answer
    x = 684,247.31

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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.