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Finding the Fourth Proportional to 809,903.64, 1,214,874.90 and 248,943

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Solution

The fourth proportional to 809,903.64, 1,214,874.90 and 248,943 is: 373,420.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,903.64 : 1,214,874.90 = 248,943 : x
  2. Step 2: Convert to fraction form
    809,903.64/1,214,874.90 = 248,943/x
  3. Step 3: Cross multiply
    809,903.64x = 1,214,874.90 × 248,943
  4. Step 4: Simplify right side
    809,903.64x = 302,434,602,230.70
  5. Step 5: Solve for x
    x = 302,434,602,230.70/809,903.64
  6. Step 6: Final answer
    x = 373,420.48

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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.