Home / 673,452.80-1,010,179.20-407,076.20

Finding the Fourth Proportional to 673,452.80, 1,010,179.20 and 407,076.20

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Solution

The fourth proportional to 673,452.80, 1,010,179.20 and 407,076.20 is: 610,614.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,452.80 : 1,010,179.20 = 407,076.20 : x
  2. Step 2: Convert to fraction form
    673,452.80/1,010,179.20 = 407,076.20/x
  3. Step 3: Cross multiply
    673,452.80x = 1,010,179.20 × 407,076.20
  4. Step 4: Simplify right side
    673,452.80x = 411,219,910,055.04
  5. Step 5: Solve for x
    x = 411,219,910,055.04/673,452.80
  6. Step 6: Final answer
    x = 610,614.30

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Double scale
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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.