Home / 770,218.00-1,155,600.72-343,715.02

Finding the Fourth Proportional to 770,218.00, 1,155,600.72 and 343,715.02

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Solution

The fourth proportional to 770,218.00, 1,155,600.72 and 343,715.02 is: 515,694.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,218.00 : 1,155,600.72 = 343,715.02 : x
  2. Step 2: Convert to fraction form
    770,218.00/1,155,600.72 = 343,715.02/x
  3. Step 3: Cross multiply
    770,218.00x = 1,155,600.72 × 343,715.02
  4. Step 4: Simplify right side
    770,218.00x = 397,197,321,697.81
  5. Step 5: Solve for x
    x = 397,197,321,697.81/770,218.00
  6. Step 6: Final answer
    x = 515,694.68

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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.