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Finding the Fourth Proportional to 601,915.69, 830,625.65 and 329,974.29

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Solution

The fourth proportional to 601,915.69, 830,625.65 and 329,974.29 is: 455,354.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,915.69 : 830,625.65 = 329,974.29 : x
  2. Step 2: Convert to fraction form
    601,915.69/830,625.65 = 329,974.29/x
  3. Step 3: Cross multiply
    601,915.69x = 830,625.65 × 329,974.29
  4. Step 4: Simplify right side
    601,915.69x = 274,085,105,786.35
  5. Step 5: Solve for x
    x = 274,085,105,786.35/601,915.69
  6. Step 6: Final answer
    x = 455,354.65

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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.