Home / 673,670.05-1,010,505.08-407,949.55

Finding the Fourth Proportional to 673,670.05, 1,010,505.08 and 407,949.55

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Solution

The fourth proportional to 673,670.05, 1,010,505.08 and 407,949.55 is: 611,924.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,670.05 : 1,010,505.08 = 407,949.55 : x
  2. Step 2: Convert to fraction form
    673,670.05/1,010,505.08 = 407,949.55/x
  3. Step 3: Cross multiply
    673,670.05x = 1,010,505.08 × 407,949.55
  4. Step 4: Simplify right side
    673,670.05x = 412,235,092,658.71
  5. Step 5: Solve for x
    x = 412,235,092,658.71/673,670.05
  6. Step 6: Final answer
    x = 611,924.33

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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.