Home / 905,967.89-1,355,994.75-666,018.28

Finding the Fourth Proportional to 905,967.89, 1,355,994.75 and 666,018.28

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Solution

The fourth proportional to 905,967.89, 1,355,994.75 and 666,018.28 is: 996,853.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,967.89 : 1,355,994.75 = 666,018.28 : x
  2. Step 2: Convert to fraction form
    905,967.89/1,355,994.75 = 666,018.28/x
  3. Step 3: Cross multiply
    905,967.89x = 1,355,994.75 × 666,018.28
  4. Step 4: Simplify right side
    905,967.89x = 903,117,287,694.04
  5. Step 5: Solve for x
    x = 903,117,287,694.04/905,967.89
  6. Step 6: Final answer
    x = 996,853.53

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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.