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Finding the Fourth Proportional to 601,009.88, 829,390.61 and 329,072.83

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Solution

The fourth proportional to 601,009.88, 829,390.61 and 329,072.83 is: 454,118.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,009.88 : 829,390.61 = 329,072.83 : x
  2. Step 2: Convert to fraction form
    601,009.88/829,390.61 = 329,072.83/x
  3. Step 3: Cross multiply
    601,009.88x = 829,390.61 × 329,072.83
  4. Step 4: Simplify right side
    601,009.88x = 272,929,916,771.62
  5. Step 5: Solve for x
    x = 272,929,916,771.62/601,009.88
  6. Step 6: Final answer
    x = 454,118.85

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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.