Home / 805,086.49-1,207,628.72-206,047.95

Finding the Fourth Proportional to 805,086.49, 1,207,628.72 and 206,047.95

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Solution

The fourth proportional to 805,086.49, 1,207,628.72 and 206,047.95 is: 309,071.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,086.49 : 1,207,628.72 = 206,047.95 : x
  2. Step 2: Convert to fraction form
    805,086.49/1,207,628.72 = 206,047.95/x
  3. Step 3: Cross multiply
    805,086.49x = 1,207,628.72 × 206,047.95
  4. Step 4: Simplify right side
    805,086.49x = 248,829,422,117.12
  5. Step 5: Solve for x
    x = 248,829,422,117.12/805,086.49
  6. Step 6: Final answer
    x = 309,071.67

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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.