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Finding the Fourth Proportional to 604,649.83, 834,137.58 and 389,858.89

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Solution

The fourth proportional to 604,649.83, 834,137.58 and 389,858.89 is: 537,825.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,649.83 : 834,137.58 = 389,858.89 : x
  2. Step 2: Convert to fraction form
    604,649.83/834,137.58 = 389,858.89/x
  3. Step 3: Cross multiply
    604,649.83x = 834,137.58 × 389,858.89
  4. Step 4: Simplify right side
    604,649.83x = 325,195,951,046.09
  5. Step 5: Solve for x
    x = 325,195,951,046.09/604,649.83
  6. Step 6: Final answer
    x = 537,825.26

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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.