Home / 847,313.97-1,270,969.89-216,227.78

Finding the Fourth Proportional to 847,313.97, 1,270,969.89 and 216,227.78

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Solution

The fourth proportional to 847,313.97, 1,270,969.89 and 216,227.78 is: 324,341.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,313.97 : 1,270,969.89 = 216,227.78 : x
  2. Step 2: Convert to fraction form
    847,313.97/1,270,969.89 = 216,227.78/x
  3. Step 3: Cross multiply
    847,313.97x = 1,270,969.89 × 216,227.78
  4. Step 4: Simplify right side
    847,313.97x = 274,818,995,361.98
  5. Step 5: Solve for x
    x = 274,818,995,361.98/847,313.97
  6. Step 6: Final answer
    x = 324,341.40

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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.