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Finding the Fourth Proportional to 697,919, 963,103.96 and 426,441.32

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Solution

The fourth proportional to 697,919, 963,103.96 and 426,441.32 is: 588,474.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,919 : 963,103.96 = 426,441.32 : x
  2. Step 2: Convert to fraction form
    697,919/963,103.96 = 426,441.32/x
  3. Step 3: Cross multiply
    697,919x = 963,103.96 × 426,441.32
  4. Step 4: Simplify right side
    697,919x = 410,707,323,999.63
  5. Step 5: Solve for x
    x = 410,707,323,999.63/697,919
  6. Step 6: Final answer
    x = 588,474.20

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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.