Home / 742,662.34-1,113,647.91-269,328.58

Finding the Fourth Proportional to 742,662.34, 1,113,647.91 and 269,328.58

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Solution

The fourth proportional to 742,662.34, 1,113,647.91 and 269,328.58 is: 403,867.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,662.34 : 1,113,647.91 = 269,328.58 : x
  2. Step 2: Convert to fraction form
    742,662.34/1,113,647.91 = 269,328.58/x
  3. Step 3: Cross multiply
    742,662.34x = 1,113,647.91 × 269,328.58
  4. Step 4: Simplify right side
    742,662.34x = 299,937,210,220.27
  5. Step 5: Solve for x
    x = 299,937,210,220.27/742,662.34
  6. Step 6: Final answer
    x = 403,867.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.