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Finding the Fourth Proportional to 603,518.42, 832,509.05 and 376,770.26

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Solution

The fourth proportional to 603,518.42, 832,509.05 and 376,770.26 is: 519,726.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,518.42 : 832,509.05 = 376,770.26 : x
  2. Step 2: Convert to fraction form
    603,518.42/832,509.05 = 376,770.26/x
  3. Step 3: Cross multiply
    603,518.42x = 832,509.05 × 376,770.26
  4. Step 4: Simplify right side
    603,518.42x = 313,664,645,174.46
  5. Step 5: Solve for x
    x = 313,664,645,174.46/603,518.42
  6. Step 6: Final answer
    x = 519,726.72

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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.