Home / 673,791.10-1,010,686.65-446,452.45

Finding the Fourth Proportional to 673,791.10, 1,010,686.65 and 446,452.45

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Solution

The fourth proportional to 673,791.10, 1,010,686.65 and 446,452.45 is: 669,678.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,791.10 : 1,010,686.65 = 446,452.45 : x
  2. Step 2: Convert to fraction form
    673,791.10/1,010,686.65 = 446,452.45/x
  3. Step 3: Cross multiply
    673,791.10x = 1,010,686.65 × 446,452.45
  4. Step 4: Simplify right side
    673,791.10x = 451,223,531,074.79
  5. Step 5: Solve for x
    x = 451,223,531,074.79/673,791.10
  6. Step 6: Final answer
    x = 669,678.68

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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.