Home / 719,822.19-1,078,902.91-270,256.33

Finding the Fourth Proportional to 719,822.19, 1,078,902.91 and 270,256.33

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Solution

The fourth proportional to 719,822.19, 1,078,902.91 and 270,256.33 is: 405,072.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,822.19 : 1,078,902.91 = 270,256.33 : x
  2. Step 2: Convert to fraction form
    719,822.19/1,078,902.91 = 270,256.33/x
  3. Step 3: Cross multiply
    719,822.19x = 1,078,902.91 × 270,256.33
  4. Step 4: Simplify right side
    719,822.19x = 291,580,340,882.92
  5. Step 5: Solve for x
    x = 291,580,340,882.92/719,822.19
  6. Step 6: Final answer
    x = 405,072.73

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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.