Home / 427,303.02-589,757.05-274,532.18

Finding the Fourth Proportional to 427,303.02, 589,757.05 and 274,532.18

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Solution

The fourth proportional to 427,303.02, 589,757.05 and 274,532.18 is: 378,905.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,303.02 : 589,757.05 = 274,532.18 : x
  2. Step 2: Convert to fraction form
    427,303.02/589,757.05 = 274,532.18/x
  3. Step 3: Cross multiply
    427,303.02x = 589,757.05 × 274,532.18
  4. Step 4: Simplify right side
    427,303.02x = 161,907,287,774.39
  5. Step 5: Solve for x
    x = 161,907,287,774.39/427,303.02
  6. Step 6: Final answer
    x = 378,905.09

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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.