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Finding the Fourth Proportional to 559,982.70, 839,974.05 and 559,982.70

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Solution

The fourth proportional to 559,982.70, 839,974.05 and 559,982.70 is: 839,974.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,982.70 : 839,974.05 = 559,982.70 : x
  2. Step 2: Convert to fraction form
    559,982.70/839,974.05 = 559,982.70/x
  3. Step 3: Cross multiply
    559,982.70x = 839,974.05 × 559,982.70
  4. Step 4: Simplify right side
    559,982.70x = 470,370,936,448.94
  5. Step 5: Solve for x
    x = 470,370,936,448.94/559,982.70
  6. Step 6: Final answer
    x = 839,974.05

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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.