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Finding the Fourth Proportional to 364,911.57, 503,814.92 and 326,604.69

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Solution

The fourth proportional to 364,911.57, 503,814.92 and 326,604.69 is: 450,926.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,911.57 : 503,814.92 = 326,604.69 : x
  2. Step 2: Convert to fraction form
    364,911.57/503,814.92 = 326,604.69/x
  3. Step 3: Cross multiply
    364,911.57x = 503,814.92 × 326,604.69
  4. Step 4: Simplify right side
    364,911.57x = 164,548,314,130.95
  5. Step 5: Solve for x
    x = 164,548,314,130.95/364,911.57
  6. Step 6: Final answer
    x = 450,926.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.