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Finding the Fourth Proportional to 604,650.83, 834,138.96 and 389,859.89

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Solution

The fourth proportional to 604,650.83, 834,138.96 and 389,859.89 is: 537,826.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,650.83 : 834,138.96 = 389,859.89 : x
  2. Step 2: Convert to fraction form
    604,650.83/834,138.96 = 389,859.89/x
  3. Step 3: Cross multiply
    604,650.83x = 834,138.96 × 389,859.89
  4. Step 4: Simplify right side
    604,650.83x = 325,197,323,190.31
  5. Step 5: Solve for x
    x = 325,197,323,190.31/604,650.83
  6. Step 6: Final answer
    x = 537,826.64

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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.