Home / 806,966.70-1,210,100.01-274,344.78

Finding the Fourth Proportional to 806,966.70, 1,210,100.01 and 274,344.78

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Solution

The fourth proportional to 806,966.70, 1,210,100.01 and 274,344.78 is: 411,398.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,966.70 : 1,210,100.01 = 274,344.78 : x
  2. Step 2: Convert to fraction form
    806,966.70/1,210,100.01 = 274,344.78/x
  3. Step 3: Cross multiply
    806,966.70x = 1,210,100.01 × 274,344.78
  4. Step 4: Simplify right side
    806,966.70x = 331,984,621,021.45
  5. Step 5: Solve for x
    x = 331,984,621,021.45/806,966.70
  6. Step 6: Final answer
    x = 411,398.17

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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.