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Finding the Fourth Proportional to 550,670.08, 825,830.10 and 374,310.40

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Solution

The fourth proportional to 550,670.08, 825,830.10 and 374,310.40 is: 561,346.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,670.08 : 825,830.10 = 374,310.40 : x
  2. Step 2: Convert to fraction form
    550,670.08/825,830.10 = 374,310.40/x
  3. Step 3: Cross multiply
    550,670.08x = 825,830.10 × 374,310.40
  4. Step 4: Simplify right side
    550,670.08x = 309,116,795,063.04
  5. Step 5: Solve for x
    x = 309,116,795,063.04/550,670.08
  6. Step 6: Final answer
    x = 561,346.63

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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.