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Finding the Fourth Proportional to 508,020.20, 760,535.46 and 339,121.60

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Solution

The fourth proportional to 508,020.20, 760,535.46 and 339,121.60 is: 507,684.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,020.20 : 760,535.46 = 339,121.60 : x
  2. Step 2: Convert to fraction form
    508,020.20/760,535.46 = 339,121.60/x
  3. Step 3: Cross multiply
    508,020.20x = 760,535.46 × 339,121.60
  4. Step 4: Simplify right side
    508,020.20x = 257,914,002,051.94
  5. Step 5: Solve for x
    x = 257,914,002,051.94/508,020.20
  6. Step 6: Final answer
    x = 507,684.54

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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.