Home / 427,477.31-589,886.17-236,486.60

Finding the Fourth Proportional to 427,477.31, 589,886.17 and 236,486.60

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Solution

The fourth proportional to 427,477.31, 589,886.17 and 236,486.60 is: 326,333.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,477.31 : 589,886.17 = 236,486.60 : x
  2. Step 2: Convert to fraction form
    427,477.31/589,886.17 = 236,486.60/x
  3. Step 3: Cross multiply
    427,477.31x = 589,886.17 × 236,486.60
  4. Step 4: Simplify right side
    427,477.31x = 139,500,171,189.68
  5. Step 5: Solve for x
    x = 139,500,171,189.68/427,477.31
  6. Step 6: Final answer
    x = 326,333.51

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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.