Home / 427,580.05-589,966.75-255,472.17

Finding the Fourth Proportional to 427,580.05, 589,966.75 and 255,472.17

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Solution

The fourth proportional to 427,580.05, 589,966.75 and 255,472.17 is: 352,495.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,580.05 : 589,966.75 = 255,472.17 : x
  2. Step 2: Convert to fraction form
    427,580.05/589,966.75 = 255,472.17/x
  3. Step 3: Cross multiply
    427,580.05x = 589,966.75 × 255,472.17
  4. Step 4: Simplify right side
    427,580.05x = 150,720,085,850.35
  5. Step 5: Solve for x
    x = 150,720,085,850.35/427,580.05
  6. Step 6: Final answer
    x = 352,495.60

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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.