Home / 847,755.26-1,271,581.40-300,674.78

Finding the Fourth Proportional to 847,755.26, 1,271,581.40 and 300,674.78

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Solution

The fourth proportional to 847,755.26, 1,271,581.40 and 300,674.78 is: 450,993.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,755.26 : 1,271,581.40 = 300,674.78 : x
  2. Step 2: Convert to fraction form
    847,755.26/1,271,581.40 = 300,674.78/x
  3. Step 3: Cross multiply
    847,755.26x = 1,271,581.40 × 300,674.78
  4. Step 4: Simplify right side
    847,755.26x = 382,332,449,835.81
  5. Step 5: Solve for x
    x = 382,332,449,835.81/847,755.26
  6. Step 6: Final answer
    x = 450,993.90

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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.