Home / 447,467.20-671,200.80-248,401.60

Finding the Fourth Proportional to 447,467.20, 671,200.80 and 248,401.60

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Solution

The fourth proportional to 447,467.20, 671,200.80 and 248,401.60 is: 372,602.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,467.20 : 671,200.80 = 248,401.60 : x
  2. Step 2: Convert to fraction form
    447,467.20/671,200.80 = 248,401.60/x
  3. Step 3: Cross multiply
    447,467.20x = 671,200.80 × 248,401.60
  4. Step 4: Simplify right side
    447,467.20x = 166,727,352,641.28
  5. Step 5: Solve for x
    x = 166,727,352,641.28/447,467.20
  6. Step 6: Final answer
    x = 372,602.40

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Similar ratio
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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.