Home / 639,847.08-959,032.48-240,232.96

Finding the Fourth Proportional to 639,847.08, 959,032.48 and 240,232.96

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Solution

The fourth proportional to 639,847.08, 959,032.48 and 240,232.96 is: 360,072.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,847.08 : 959,032.48 = 240,232.96 : x
  2. Step 2: Convert to fraction form
    639,847.08/959,032.48 = 240,232.96/x
  3. Step 3: Cross multiply
    639,847.08x = 959,032.48 × 240,232.96
  4. Step 4: Simplify right side
    639,847.08x = 230,391,211,406.54
  5. Step 5: Solve for x
    x = 230,391,211,406.54/639,847.08
  6. Step 6: Final answer
    x = 360,072.30

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1.5x scale

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.