Home / 905,982.80-1,356,017.09-666,033.17

Finding the Fourth Proportional to 905,982.80, 1,356,017.09 and 666,033.17

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Solution

The fourth proportional to 905,982.80, 1,356,017.09 and 666,033.17 is: 996,875.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,982.80 : 1,356,017.09 = 666,033.17 : x
  2. Step 2: Convert to fraction form
    905,982.80/1,356,017.09 = 666,033.17/x
  3. Step 3: Cross multiply
    905,982.80x = 1,356,017.09 × 666,033.17
  4. Step 4: Simplify right side
    905,982.80x = 903,152,350,916.62
  5. Step 5: Solve for x
    x = 903,152,350,916.62/905,982.80
  6. Step 6: Final answer
    x = 996,875.83

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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.