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Finding the Fourth Proportional to 539,622.83, 808,519.67 and 325,941.82

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Solution

The fourth proportional to 539,622.83, 808,519.67 and 325,941.82 is: 488,360.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,622.83 : 808,519.67 = 325,941.82 : x
  2. Step 2: Convert to fraction form
    539,622.83/808,519.67 = 325,941.82/x
  3. Step 3: Cross multiply
    539,622.83x = 808,519.67 × 325,941.82
  4. Step 4: Simplify right side
    539,622.83x = 263,530,369,094.59
  5. Step 5: Solve for x
    x = 263,530,369,094.59/539,622.83
  6. Step 6: Final answer
    x = 488,360.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.