Home / 734,443.20-1,100,206.80-646,768.80

Finding the Fourth Proportional to 734,443.20, 1,100,206.80 and 646,768.80

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Solution

The fourth proportional to 734,443.20, 1,100,206.80 and 646,768.80 is: 968,869.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,443.20 : 1,100,206.80 = 646,768.80 : x
  2. Step 2: Convert to fraction form
    734,443.20/1,100,206.80 = 646,768.80/x
  3. Step 3: Cross multiply
    734,443.20x = 1,100,206.80 × 646,768.80
  4. Step 4: Simplify right side
    734,443.20x = 711,579,431,787.84
  5. Step 5: Solve for x
    x = 711,579,431,787.84/734,443.20
  6. Step 6: Final answer
    x = 968,869.25

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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.