Home / 427,552.10-589,764.82-282,359.21

Finding the Fourth Proportional to 427,552.10, 589,764.82 and 282,359.21

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Solution

The fourth proportional to 427,552.10, 589,764.82 and 282,359.21 is: 389,485.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,552.10 : 589,764.82 = 282,359.21 : x
  2. Step 2: Convert to fraction form
    427,552.10/589,764.82 = 282,359.21/x
  3. Step 3: Cross multiply
    427,552.10x = 589,764.82 × 282,359.21
  4. Step 4: Simplify right side
    427,552.10x = 166,525,529,429.51
  5. Step 5: Solve for x
    x = 166,525,529,429.51/427,552.10
  6. Step 6: Final answer
    x = 389,485.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.