Home / 715,853.52-1,074,558.30-289,682.67

Finding the Fourth Proportional to 715,853.52, 1,074,558.30 and 289,682.67

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Solution

The fourth proportional to 715,853.52, 1,074,558.30 and 289,682.67 is: 434,838.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,853.52 : 1,074,558.30 = 289,682.67 : x
  2. Step 2: Convert to fraction form
    715,853.52/1,074,558.30 = 289,682.67/x
  3. Step 3: Cross multiply
    715,853.52x = 1,074,558.30 × 289,682.67
  4. Step 4: Simplify right side
    715,853.52x = 311,280,917,414.66
  5. Step 5: Solve for x
    x = 311,280,917,414.66/715,853.52
  6. Step 6: Final answer
    x = 434,838.84

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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.