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Finding the Fourth Proportional to 700,890.63, 967,228.32 and 378,600.67

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Solution

The fourth proportional to 700,890.63, 967,228.32 and 378,600.67 is: 522,468.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,890.63 : 967,228.32 = 378,600.67 : x
  2. Step 2: Convert to fraction form
    700,890.63/967,228.32 = 378,600.67/x
  3. Step 3: Cross multiply
    700,890.63x = 967,228.32 × 378,600.67
  4. Step 4: Simplify right side
    700,890.63x = 366,193,289,994.97
  5. Step 5: Solve for x
    x = 366,193,289,994.97/700,890.63
  6. Step 6: Final answer
    x = 522,468.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.