Home / 427,478.48-589,930.68-236,495.60

Finding the Fourth Proportional to 427,478.48, 589,930.68 and 236,495.60

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Solution

The fourth proportional to 427,478.48, 589,930.68 and 236,495.60 is: 326,369.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,478.48 : 589,930.68 = 236,495.60 : x
  2. Step 2: Convert to fraction form
    427,478.48/589,930.68 = 236,495.60/x
  3. Step 3: Cross multiply
    427,478.48x = 589,930.68 × 236,495.60
  4. Step 4: Simplify right side
    427,478.48x = 139,516,010,125.01
  5. Step 5: Solve for x
    x = 139,516,010,125.01/427,478.48
  6. Step 6: Final answer
    x = 326,369.67

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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.