Home / 915,963.80-1,373,949.24-383,111.06

Finding the Fourth Proportional to 915,963.80, 1,373,949.24 and 383,111.06

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Solution

The fourth proportional to 915,963.80, 1,373,949.24 and 383,111.06 is: 574,668.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,963.80 : 1,373,949.24 = 383,111.06 : x
  2. Step 2: Convert to fraction form
    915,963.80/1,373,949.24 = 383,111.06/x
  3. Step 3: Cross multiply
    915,963.80x = 1,373,949.24 × 383,111.06
  4. Step 4: Simplify right side
    915,963.80x = 526,375,147,807.04
  5. Step 5: Solve for x
    x = 526,375,147,807.04/915,963.80
  6. Step 6: Final answer
    x = 574,668.07

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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.