Home / 427,563.56-589,944.08-255,455.71

Finding the Fourth Proportional to 427,563.56, 589,944.08 and 255,455.71

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Solution

The fourth proportional to 427,563.56, 589,944.08 and 255,455.71 is: 352,472.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,563.56 : 589,944.08 = 255,455.71 : x
  2. Step 2: Convert to fraction form
    427,563.56/589,944.08 = 255,455.71/x
  3. Step 3: Cross multiply
    427,563.56x = 589,944.08 × 255,455.71
  4. Step 4: Simplify right side
    427,563.56x = 150,704,582,980.48
  5. Step 5: Solve for x
    x = 150,704,582,980.48/427,563.56
  6. Step 6: Final answer
    x = 352,472.93

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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.