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Finding the Fourth Proportional to 604,640.44, 834,378.75 and 328,999.42

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Solution

The fourth proportional to 604,640.44, 834,378.75 and 328,999.42 is: 454,005.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,640.44 : 834,378.75 = 328,999.42 : x
  2. Step 2: Convert to fraction form
    604,640.44/834,378.75 = 328,999.42/x
  3. Step 3: Cross multiply
    604,640.44x = 834,378.75 × 328,999.42
  4. Step 4: Simplify right side
    604,640.44x = 274,510,124,810.33
  5. Step 5: Solve for x
    x = 274,510,124,810.33/604,640.44
  6. Step 6: Final answer
    x = 454,005.57

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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.