Home / 842,321.28-1,162,405.44-460,352.64

Finding the Fourth Proportional to 842,321.28, 1,162,405.44 and 460,352.64

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Solution

The fourth proportional to 842,321.28, 1,162,405.44 and 460,352.64 is: 635,287.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,321.28 : 1,162,405.44 = 460,352.64 : x
  2. Step 2: Convert to fraction form
    842,321.28/1,162,405.44 = 460,352.64/x
  3. Step 3: Cross multiply
    842,321.28x = 1,162,405.44 × 460,352.64
  4. Step 4: Simplify right side
    842,321.28x = 535,116,413,054.36
  5. Step 5: Solve for x
    x = 535,116,413,054.36/842,321.28
  6. Step 6: Final answer
    x = 635,287.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.