Home / 719,176.92-1,078,447.63-269,582.43

Finding the Fourth Proportional to 719,176.92, 1,078,447.63 and 269,582.43

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Solution

The fourth proportional to 719,176.92, 1,078,447.63 and 269,582.43 is: 404,254.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,176.92 : 1,078,447.63 = 269,582.43 : x
  2. Step 2: Convert to fraction form
    719,176.92/1,078,447.63 = 269,582.43/x
  3. Step 3: Cross multiply
    719,176.92x = 1,078,447.63 × 269,582.43
  4. Step 4: Simplify right side
    719,176.92x = 290,730,537,736.22
  5. Step 5: Solve for x
    x = 290,730,537,736.22/719,176.92
  6. Step 6: Final answer
    x = 404,254.54

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1.5x scale

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.