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Finding the Fourth Proportional to 700,894.32, 967,179.60 and 428,849.34

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Solution

The fourth proportional to 700,894.32, 967,179.60 and 428,849.34 is: 591,778.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,894.32 : 967,179.60 = 428,849.34 : x
  2. Step 2: Convert to fraction form
    700,894.32/967,179.60 = 428,849.34/x
  3. Step 3: Cross multiply
    700,894.32x = 967,179.60 × 428,849.34
  4. Step 4: Simplify right side
    700,894.32x = 414,774,333,121.46
  5. Step 5: Solve for x
    x = 414,774,333,121.46/700,894.32
  6. Step 6: Final answer
    x = 591,778.71

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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.