Home / 601,916.15-830,634.85-329,986.29

Finding the Fourth Proportional to 601,916.15, 830,634.85 and 329,986.29

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Solution

The fourth proportional to 601,916.15, 830,634.85 and 329,986.29 is: 455,375.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,916.15 : 830,634.85 = 329,986.29 : x
  2. Step 2: Convert to fraction form
    601,916.15/830,634.85 = 329,986.29/x
  3. Step 3: Cross multiply
    601,916.15x = 830,634.85 × 329,986.29
  4. Step 4: Simplify right side
    601,916.15x = 274,098,111,351.25
  5. Step 5: Solve for x
    x = 274,098,111,351.25/601,916.15
  6. Step 6: Final answer
    x = 455,375.91

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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.