Home / 505,213.50-757,417.68-291,739.02

Finding the Fourth Proportional to 505,213.50, 757,417.68 and 291,739.02

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Solution

The fourth proportional to 505,213.50, 757,417.68 and 291,739.02 is: 437,376.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,213.50 : 757,417.68 = 291,739.02 : x
  2. Step 2: Convert to fraction form
    505,213.50/757,417.68 = 291,739.02/x
  3. Step 3: Cross multiply
    505,213.50x = 757,417.68 × 291,739.02
  4. Step 4: Simplify right side
    505,213.50x = 220,968,291,693.87
  5. Step 5: Solve for x
    x = 220,968,291,693.87/505,213.50
  6. Step 6: Final answer
    x = 437,376.06

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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.