Home / 427,768.56-590,280.41-255,652.07

Finding the Fourth Proportional to 427,768.56, 590,280.41 and 255,652.07

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Solution

The fourth proportional to 427,768.56, 590,280.41 and 255,652.07 is: 352,775.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,768.56 : 590,280.41 = 255,652.07 : x
  2. Step 2: Convert to fraction form
    427,768.56/590,280.41 = 255,652.07/x
  3. Step 3: Cross multiply
    427,768.56x = 590,280.41 × 255,652.07
  4. Step 4: Simplify right side
    427,768.56x = 150,906,406,384.68
  5. Step 5: Solve for x
    x = 150,906,406,384.68/427,768.56
  6. Step 6: Final answer
    x = 352,775.82

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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.