Home / 862,610.24-1,190,421.96-480,660.32

Finding the Fourth Proportional to 862,610.24, 1,190,421.96 and 480,660.32

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Solution

The fourth proportional to 862,610.24, 1,190,421.96 and 480,660.32 is: 663,322.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,610.24 : 1,190,421.96 = 480,660.32 : x
  2. Step 2: Convert to fraction form
    862,610.24/1,190,421.96 = 480,660.32/x
  3. Step 3: Cross multiply
    862,610.24x = 1,190,421.96 × 480,660.32
  4. Step 4: Simplify right side
    862,610.24x = 572,188,600,228.63
  5. Step 5: Solve for x
    x = 572,188,600,228.63/862,610.24
  6. Step 6: Final answer
    x = 663,322.29

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Double scale
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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.