Home / 905,964.77-1,355,990.07-666,015.16

Finding the Fourth Proportional to 905,964.77, 1,355,990.07 and 666,015.16

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Solution

The fourth proportional to 905,964.77, 1,355,990.07 and 666,015.16 is: 996,848.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,964.77 : 1,355,990.07 = 666,015.16 : x
  2. Step 2: Convert to fraction form
    905,964.77/1,355,990.07 = 666,015.16/x
  3. Step 3: Cross multiply
    905,964.77x = 1,355,990.07 × 666,015.16
  4. Step 4: Simplify right side
    905,964.77x = 903,109,936,649.51
  5. Step 5: Solve for x
    x = 903,109,936,649.51/905,964.77
  6. Step 6: Final answer
    x = 996,848.85

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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.