Home / 921,620.52-1,382,223.24-330,644.52

Finding the Fourth Proportional to 921,620.52, 1,382,223.24 and 330,644.52

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Solution

The fourth proportional to 921,620.52, 1,382,223.24 and 330,644.52 is: 495,892.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,620.52 : 1,382,223.24 = 330,644.52 : x
  2. Step 2: Convert to fraction form
    921,620.52/1,382,223.24 = 330,644.52/x
  3. Step 3: Cross multiply
    921,620.52x = 1,382,223.24 × 330,644.52
  4. Step 4: Simplify right side
    921,620.52x = 457,024,539,722.65
  5. Step 5: Solve for x
    x = 457,024,539,722.65/921,620.52
  6. Step 6: Final answer
    x = 495,892.32

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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.