Home / 852,235.34-1,278,527.96-253,143.14

Finding the Fourth Proportional to 852,235.34, 1,278,527.96 and 253,143.14

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Solution

The fourth proportional to 852,235.34, 1,278,527.96 and 253,143.14 is: 379,766.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,235.34 : 1,278,527.96 = 253,143.14 : x
  2. Step 2: Convert to fraction form
    852,235.34/1,278,527.96 = 253,143.14/x
  3. Step 3: Cross multiply
    852,235.34x = 1,278,527.96 × 253,143.14
  4. Step 4: Simplify right side
    852,235.34x = 323,650,581,106.48
  5. Step 5: Solve for x
    x = 323,650,581,106.48/852,235.34
  6. Step 6: Final answer
    x = 379,766.67

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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.