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Finding the Fourth Proportional to 529,580.40, 730,817.98 and 300,181.04

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Solution

The fourth proportional to 529,580.40, 730,817.98 and 300,181.04 is: 414,248.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,580.40 : 730,817.98 = 300,181.04 : x
  2. Step 2: Convert to fraction form
    529,580.40/730,817.98 = 300,181.04/x
  3. Step 3: Cross multiply
    529,580.40x = 730,817.98 × 300,181.04
  4. Step 4: Simplify right side
    529,580.40x = 219,377,701,287.10
  5. Step 5: Solve for x
    x = 219,377,701,287.10/529,580.40
  6. Step 6: Final answer
    x = 414,248.15

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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.