Home / 645,376.41-967,937.04-613,370.88

Finding the Fourth Proportional to 645,376.41, 967,937.04 and 613,370.88

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Solution

The fourth proportional to 645,376.41, 967,937.04 and 613,370.88 is: 919,935.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,376.41 : 967,937.04 = 613,370.88 : x
  2. Step 2: Convert to fraction form
    645,376.41/967,937.04 = 613,370.88/x
  3. Step 3: Cross multiply
    645,376.41x = 967,937.04 × 613,370.88
  4. Step 4: Simplify right side
    645,376.41x = 593,704,394,009.40
  5. Step 5: Solve for x
    x = 593,704,394,009.40/645,376.41
  6. Step 6: Final answer
    x = 919,935.07

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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.