Home / 339,784.56-509,608.80-322,923.60

Finding the Fourth Proportional to 339,784.56, 509,608.80 and 322,923.60

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Solution

The fourth proportional to 339,784.56, 509,608.80 and 322,923.60 is: 484,320.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,784.56 : 509,608.80 = 322,923.60 : x
  2. Step 2: Convert to fraction form
    339,784.56/509,608.80 = 322,923.60/x
  3. Step 3: Cross multiply
    339,784.56x = 509,608.80 × 322,923.60
  4. Step 4: Simplify right side
    339,784.56x = 164,564,708,287.68
  5. Step 5: Solve for x
    x = 164,564,708,287.68/339,784.56
  6. Step 6: Final answer
    x = 484,320.74

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1.5x scale

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.