Home / 800,634.43-1,104,865.67-438,053.07

Finding the Fourth Proportional to 800,634.43, 1,104,865.67 and 438,053.07

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Solution

The fourth proportional to 800,634.43, 1,104,865.67 and 438,053.07 is: 604,507.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,634.43 : 1,104,865.67 = 438,053.07 : x
  2. Step 2: Convert to fraction form
    800,634.43/1,104,865.67 = 438,053.07/x
  3. Step 3: Cross multiply
    800,634.43x = 1,104,865.67 × 438,053.07
  4. Step 4: Simplify right side
    800,634.43x = 483,989,790,966.51
  5. Step 5: Solve for x
    x = 483,989,790,966.51/800,634.43
  6. Step 6: Final answer
    x = 604,507.84

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1.5x scale

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.