Home / 427,163.04-589,477.68-304,880.58

Finding the Fourth Proportional to 427,163.04, 589,477.68 and 304,880.58

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Solution

The fourth proportional to 427,163.04, 589,477.68 and 304,880.58 is: 420,729.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,163.04 : 589,477.68 = 304,880.58 : x
  2. Step 2: Convert to fraction form
    427,163.04/589,477.68 = 304,880.58/x
  3. Step 3: Cross multiply
    427,163.04x = 589,477.68 × 304,880.58
  4. Step 4: Simplify right side
    427,163.04x = 179,720,296,975.45
  5. Step 5: Solve for x
    x = 179,720,296,975.45/427,163.04
  6. Step 6: Final answer
    x = 420,729.98

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1.5x scale

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.