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Finding the Fourth Proportional to 601,930.27, 830,663.56 and 329,992.33

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Solution

The fourth proportional to 601,930.27, 830,663.56 and 329,992.33 is: 455,389.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,930.27 : 830,663.56 = 329,992.33 : x
  2. Step 2: Convert to fraction form
    601,930.27/830,663.56 = 329,992.33/x
  3. Step 3: Cross multiply
    601,930.27x = 830,663.56 × 329,992.33
  4. Step 4: Simplify right side
    601,930.27x = 274,112,599,457.18
  5. Step 5: Solve for x
    x = 274,112,599,457.18/601,930.27
  6. Step 6: Final answer
    x = 455,389.30

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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.