Home / 800,725.41-1,104,953.40-438,077.07

Finding the Fourth Proportional to 800,725.41, 1,104,953.40 and 438,077.07

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Solution

The fourth proportional to 800,725.41, 1,104,953.40 and 438,077.07 is: 604,520.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,725.41 : 1,104,953.40 = 438,077.07 : x
  2. Step 2: Convert to fraction form
    800,725.41/1,104,953.40 = 438,077.07/x
  3. Step 3: Cross multiply
    800,725.41x = 1,104,953.40 × 438,077.07
  4. Step 4: Simplify right side
    800,725.41x = 484,054,747,958.54
  5. Step 5: Solve for x
    x = 484,054,747,958.54/800,725.41
  6. Step 6: Final answer
    x = 604,520.28

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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.