Home / 801,911.16-1,106,628.04-434,381.37

Finding the Fourth Proportional to 801,911.16, 1,106,628.04 and 434,381.37

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Solution

The fourth proportional to 801,911.16, 1,106,628.04 and 434,381.37 is: 599,441.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,911.16 : 1,106,628.04 = 434,381.37 : x
  2. Step 2: Convert to fraction form
    801,911.16/1,106,628.04 = 434,381.37/x
  3. Step 3: Cross multiply
    801,911.16x = 1,106,628.04 × 434,381.37
  4. Step 4: Simplify right side
    801,911.16x = 480,698,603,324.80
  5. Step 5: Solve for x
    x = 480,698,603,324.80/801,911.16
  6. Step 6: Final answer
    x = 599,441.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.