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Finding the Fourth Proportional to 603,860.19, 833,317.71 and 331,922.24

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Solution

The fourth proportional to 603,860.19, 833,317.71 and 331,922.24 is: 458,047.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,860.19 : 833,317.71 = 331,922.24 : x
  2. Step 2: Convert to fraction form
    603,860.19/833,317.71 = 331,922.24/x
  3. Step 3: Cross multiply
    603,860.19x = 833,317.71 × 331,922.24
  4. Step 4: Simplify right side
    603,860.19x = 276,596,683,564.36
  5. Step 5: Solve for x
    x = 276,596,683,564.36/603,860.19
  6. Step 6: Final answer
    x = 458,047.56

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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.