Home / 603,890.55-833,379.32-331,969.91

Finding the Fourth Proportional to 603,890.55, 833,379.32 and 331,969.91

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Solution

The fourth proportional to 603,890.55, 833,379.32 and 331,969.91 is: 458,124.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,890.55 : 833,379.32 = 331,969.91 : x
  2. Step 2: Convert to fraction form
    603,890.55/833,379.32 = 331,969.91/x
  3. Step 3: Cross multiply
    603,890.55x = 833,379.32 × 331,969.91
  4. Step 4: Simplify right side
    603,890.55x = 276,656,852,029.52
  5. Step 5: Solve for x
    x = 276,656,852,029.52/603,890.55
  6. Step 6: Final answer
    x = 458,124.16

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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.