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Finding the Fourth Proportional to 339,015.40, 508,652.70 and 333,701.80

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Solution

The fourth proportional to 339,015.40, 508,652.70 and 333,701.80 is: 500,680.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,015.40 : 508,652.70 = 333,701.80 : x
  2. Step 2: Convert to fraction form
    339,015.40/508,652.70 = 333,701.80/x
  3. Step 3: Cross multiply
    339,015.40x = 508,652.70 × 333,701.80
  4. Step 4: Simplify right side
    339,015.40x = 169,738,321,564.86
  5. Step 5: Solve for x
    x = 169,738,321,564.86/339,015.40
  6. Step 6: Final answer
    x = 500,680.27

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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.