Home / 859,162.95-1,286,849.43-538,270.11

Finding the Fourth Proportional to 859,162.95, 1,286,849.43 and 538,270.11

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Solution

The fourth proportional to 859,162.95, 1,286,849.43 and 538,270.11 is: 806,217.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,162.95 : 1,286,849.43 = 538,270.11 : x
  2. Step 2: Convert to fraction form
    859,162.95/1,286,849.43 = 538,270.11/x
  3. Step 3: Cross multiply
    859,162.95x = 1,286,849.43 × 538,270.11
  4. Step 4: Simplify right side
    859,162.95x = 692,672,584,239.54
  5. Step 5: Solve for x
    x = 692,672,584,239.54/859,162.95
  6. Step 6: Final answer
    x = 806,217.94

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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.