Home / 427,342.05-589,154.94-274,114.23

Finding the Fourth Proportional to 427,342.05, 589,154.94 and 274,114.23

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Solution

The fourth proportional to 427,342.05, 589,154.94 and 274,114.23 is: 377,907.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,342.05 : 589,154.94 = 274,114.23 : x
  2. Step 2: Convert to fraction form
    427,342.05/589,154.94 = 274,114.23/x
  3. Step 3: Cross multiply
    427,342.05x = 589,154.94 × 274,114.23
  4. Step 4: Simplify right side
    427,342.05x = 161,495,752,728.80
  5. Step 5: Solve for x
    x = 161,495,752,728.80/427,342.05
  6. Step 6: Final answer
    x = 377,907.47

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Double scale
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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.