Home / 826,568.49-1,238,669.78-470,847.45

Finding the Fourth Proportional to 826,568.49, 1,238,669.78 and 470,847.45

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Solution

The fourth proportional to 826,568.49, 1,238,669.78 and 470,847.45 is: 705,597.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,568.49 : 1,238,669.78 = 470,847.45 : x
  2. Step 2: Convert to fraction form
    826,568.49/1,238,669.78 = 470,847.45/x
  3. Step 3: Cross multiply
    826,568.49x = 1,238,669.78 × 470,847.45
  4. Step 4: Simplify right side
    826,568.49x = 583,224,504,950.82
  5. Step 5: Solve for x
    x = 583,224,504,950.82/826,568.49
  6. Step 6: Final answer
    x = 705,597.31

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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.