Home / 719,164.36-1,078,922.10-239,391.22

Finding the Fourth Proportional to 719,164.36, 1,078,922.10 and 239,391.22

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Solution

The fourth proportional to 719,164.36, 1,078,922.10 and 239,391.22 is: 359,145.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,164.36 : 1,078,922.10 = 239,391.22 : x
  2. Step 2: Convert to fraction form
    719,164.36/1,078,922.10 = 239,391.22/x
  3. Step 3: Cross multiply
    719,164.36x = 1,078,922.10 × 239,391.22
  4. Step 4: Simplify right side
    719,164.36x = 258,284,477,803.96
  5. Step 5: Solve for x
    x = 258,284,477,803.96/719,164.36
  6. Step 6: Final answer
    x = 359,145.27

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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.