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Finding the Fourth Proportional to 413,601.78, 570,625.11 and 270,445.62

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Solution

The fourth proportional to 413,601.78, 570,625.11 and 270,445.62 is: 373,119.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,601.78 : 570,625.11 = 270,445.62 : x
  2. Step 2: Convert to fraction form
    413,601.78/570,625.11 = 270,445.62/x
  3. Step 3: Cross multiply
    413,601.78x = 570,625.11 × 270,445.62
  4. Step 4: Simplify right side
    413,601.78x = 154,323,061,661.52
  5. Step 5: Solve for x
    x = 154,323,061,661.52/413,601.78
  6. Step 6: Final answer
    x = 373,119.92

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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.