Home / 927,422.23-1,389,322.26-639,182.32

Finding the Fourth Proportional to 927,422.23, 1,389,322.26 and 639,182.32

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Solution

The fourth proportional to 927,422.23, 1,389,322.26 and 639,182.32 is: 957,525.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,422.23 : 1,389,322.26 = 639,182.32 : x
  2. Step 2: Convert to fraction form
    927,422.23/1,389,322.26 = 639,182.32/x
  3. Step 3: Cross multiply
    927,422.23x = 1,389,322.26 × 639,182.32
  4. Step 4: Simplify right side
    927,422.23x = 888,030,225,374.44
  5. Step 5: Solve for x
    x = 888,030,225,374.44/927,422.23
  6. Step 6: Final answer
    x = 957,525.27

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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.