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Finding the Fourth Proportional to 601,613.78, 830,213.69 and 329,675.72

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Solution

The fourth proportional to 601,613.78, 830,213.69 and 329,675.72 is: 454,945.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,613.78 : 830,213.69 = 329,675.72 : x
  2. Step 2: Convert to fraction form
    601,613.78/830,213.69 = 329,675.72/x
  3. Step 3: Cross multiply
    601,613.78x = 830,213.69 × 329,675.72
  4. Step 4: Simplify right side
    601,613.78x = 273,701,290,205.16
  5. Step 5: Solve for x
    x = 273,701,290,205.16/601,613.78
  6. Step 6: Final answer
    x = 454,945.19

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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.