Home / 505,877.40-758,694.60-292,183.20

Finding the Fourth Proportional to 505,877.40, 758,694.60 and 292,183.20

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Solution

The fourth proportional to 505,877.40, 758,694.60 and 292,183.20 is: 438,204.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,877.40 : 758,694.60 = 292,183.20 : x
  2. Step 2: Convert to fraction form
    505,877.40/758,694.60 = 292,183.20/x
  3. Step 3: Cross multiply
    505,877.40x = 758,694.60 × 292,183.20
  4. Step 4: Simplify right side
    505,877.40x = 221,677,816,050.72
  5. Step 5: Solve for x
    x = 221,677,816,050.72/505,877.40
  6. Step 6: Final answer
    x = 438,204.62

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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.