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Finding the Fourth Proportional to 598,119.63, 825,402.63 and 326,186.85

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Solution

The fourth proportional to 598,119.63, 825,402.63 and 326,186.85 is: 450,136.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,119.63 : 825,402.63 = 326,186.85 : x
  2. Step 2: Convert to fraction form
    598,119.63/825,402.63 = 326,186.85/x
  3. Step 3: Cross multiply
    598,119.63x = 825,402.63 × 326,186.85
  4. Step 4: Simplify right side
    598,119.63x = 269,235,483,861.42
  5. Step 5: Solve for x
    x = 269,235,483,861.42/598,119.63
  6. Step 6: Final answer
    x = 450,136.51

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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.