Home / 529,579.40-730,816.60-300,180.04

Finding the Fourth Proportional to 529,579.40, 730,816.60 and 300,180.04

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Solution

The fourth proportional to 529,579.40, 730,816.60 and 300,180.04 is: 414,246.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,579.40 : 730,816.60 = 300,180.04 : x
  2. Step 2: Convert to fraction form
    529,579.40/730,816.60 = 300,180.04/x
  3. Step 3: Cross multiply
    529,579.40x = 730,816.60 × 300,180.04
  4. Step 4: Simplify right side
    529,579.40x = 219,376,556,220.66
  5. Step 5: Solve for x
    x = 219,376,556,220.66/529,579.40
  6. Step 6: Final answer
    x = 414,246.77

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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.