Home / 715,966.26-1,074,246.79-289,803.34

Finding the Fourth Proportional to 715,966.26, 1,074,246.79 and 289,803.34

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Solution

The fourth proportional to 715,966.26, 1,074,246.79 and 289,803.34 is: 434,825.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,966.26 : 1,074,246.79 = 289,803.34 : x
  2. Step 2: Convert to fraction form
    715,966.26/1,074,246.79 = 289,803.34/x
  3. Step 3: Cross multiply
    715,966.26x = 1,074,246.79 × 289,803.34
  4. Step 4: Simplify right side
    715,966.26x = 311,320,302,845.32
  5. Step 5: Solve for x
    x = 311,320,302,845.32/715,966.26
  6. Step 6: Final answer
    x = 434,825.38

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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.