Home / 709,071.88-1,063,445.56-203,628.84

Finding the Fourth Proportional to 709,071.88, 1,063,445.56 and 203,628.84

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Solution

The fourth proportional to 709,071.88, 1,063,445.56 and 203,628.84 is: 305,396.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,071.88 : 1,063,445.56 = 203,628.84 : x
  2. Step 2: Convert to fraction form
    709,071.88/1,063,445.56 = 203,628.84/x
  3. Step 3: Cross multiply
    709,071.88x = 1,063,445.56 × 203,628.84
  4. Step 4: Simplify right side
    709,071.88x = 216,548,185,785.95
  5. Step 5: Solve for x
    x = 216,548,185,785.95/709,071.88
  6. Step 6: Final answer
    x = 305,396.66

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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.