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Finding the Fourth Proportional to 613,207.67, 846,226.57 and 341,339.78

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Solution

The fourth proportional to 613,207.67, 846,226.57 and 341,339.78 is: 471,048.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,207.67 : 846,226.57 = 341,339.78 : x
  2. Step 2: Convert to fraction form
    613,207.67/846,226.57 = 341,339.78/x
  3. Step 3: Cross multiply
    613,207.67x = 846,226.57 × 341,339.78
  4. Step 4: Simplify right side
    613,207.67x = 288,850,792,496.17
  5. Step 5: Solve for x
    x = 288,850,792,496.17/613,207.67
  6. Step 6: Final answer
    x = 471,048.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.