Home / 719,412.20-1,079,292.06-270,137.96

Finding the Fourth Proportional to 719,412.20, 1,079,292.06 and 270,137.96

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Solution

The fourth proportional to 719,412.20, 1,079,292.06 and 270,137.96 is: 405,272.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,412.20 : 1,079,292.06 = 270,137.96 : x
  2. Step 2: Convert to fraction form
    719,412.20/1,079,292.06 = 270,137.96/x
  3. Step 3: Cross multiply
    719,412.20x = 1,079,292.06 × 270,137.96
  4. Step 4: Simplify right side
    719,412.20x = 291,557,755,332.60
  5. Step 5: Solve for x
    x = 291,557,755,332.60/719,412.20
  6. Step 6: Final answer
    x = 405,272.19

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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.