Home / 847,313.49-1,270,980.51-248,286.80

Finding the Fourth Proportional to 847,313.49, 1,270,980.51 and 248,286.80

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Solution

The fourth proportional to 847,313.49, 1,270,980.51 and 248,286.80 is: 372,433.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,313.49 : 1,270,980.51 = 248,286.80 : x
  2. Step 2: Convert to fraction form
    847,313.49/1,270,980.51 = 248,286.80/x
  3. Step 3: Cross multiply
    847,313.49x = 1,270,980.51 × 248,286.80
  4. Step 4: Simplify right side
    847,313.49x = 315,567,676,093.93
  5. Step 5: Solve for x
    x = 315,567,676,093.93/847,313.49
  6. Step 6: Final answer
    x = 372,433.20

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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.