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Finding the Fourth Proportional to 339,289.60, 508,934.40 and 304,297.60

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Solution

The fourth proportional to 339,289.60, 508,934.40 and 304,297.60 is: 456,446.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,289.60 : 508,934.40 = 304,297.60 : x
  2. Step 2: Convert to fraction form
    339,289.60/508,934.40 = 304,297.60/x
  3. Step 3: Cross multiply
    339,289.60x = 508,934.40 × 304,297.60
  4. Step 4: Simplify right side
    339,289.60x = 154,867,516,477.44
  5. Step 5: Solve for x
    x = 154,867,516,477.44/339,289.60
  6. Step 6: Final answer
    x = 456,446.40

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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.