Home / 622,271.28-932,619.60-397,544.88

Finding the Fourth Proportional to 622,271.28, 932,619.60 and 397,544.88

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Solution

The fourth proportional to 622,271.28, 932,619.60 and 397,544.88 is: 595,814.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,271.28 : 932,619.60 = 397,544.88 : x
  2. Step 2: Convert to fraction form
    622,271.28/932,619.60 = 397,544.88/x
  3. Step 3: Cross multiply
    622,271.28x = 932,619.60 × 397,544.88
  4. Step 4: Simplify right side
    622,271.28x = 370,758,146,967.65
  5. Step 5: Solve for x
    x = 370,758,146,967.65/622,271.28
  6. Step 6: Final answer
    x = 595,814.33

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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.