Home / 680,824.80-1,021,237.20-444,628.80

Finding the Fourth Proportional to 680,824.80, 1,021,237.20 and 444,628.80

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Solution

The fourth proportional to 680,824.80, 1,021,237.20 and 444,628.80 is: 666,943.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,824.80 : 1,021,237.20 = 444,628.80 : x
  2. Step 2: Convert to fraction form
    680,824.80/1,021,237.20 = 444,628.80/x
  3. Step 3: Cross multiply
    680,824.80x = 1,021,237.20 × 444,628.80
  4. Step 4: Simplify right side
    680,824.80x = 454,071,470,751.36
  5. Step 5: Solve for x
    x = 454,071,470,751.36/680,824.80
  6. Step 6: Final answer
    x = 666,943.20

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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.