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Finding the Fourth Proportional to 603,656.90, 833,041.65 and 328,012.34

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Solution

The fourth proportional to 603,656.90, 833,041.65 and 328,012.34 is: 452,654.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,656.90 : 833,041.65 = 328,012.34 : x
  2. Step 2: Convert to fraction form
    603,656.90/833,041.65 = 328,012.34/x
  3. Step 3: Cross multiply
    603,656.90x = 833,041.65 × 328,012.34
  4. Step 4: Simplify right side
    603,656.90x = 273,247,940,933.96
  5. Step 5: Solve for x
    x = 273,247,940,933.96/603,656.90
  6. Step 6: Final answer
    x = 452,654.38

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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.