Home / 825,069.34-1,237,292.92-345,330.37

Finding the Fourth Proportional to 825,069.34, 1,237,292.92 and 345,330.37

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Solution

The fourth proportional to 825,069.34, 1,237,292.92 and 345,330.37 is: 517,865.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,069.34 : 1,237,292.92 = 345,330.37 : x
  2. Step 2: Convert to fraction form
    825,069.34/1,237,292.92 = 345,330.37/x
  3. Step 3: Cross multiply
    825,069.34x = 1,237,292.92 × 345,330.37
  4. Step 4: Simplify right side
    825,069.34x = 427,274,821,861.98
  5. Step 5: Solve for x
    x = 427,274,821,861.98/825,069.34
  6. Step 6: Final answer
    x = 517,865.35

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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.