Home / 901,169.82-1,352,205.09-421,196.22

Finding the Fourth Proportional to 901,169.82, 1,352,205.09 and 421,196.22

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Solution

The fourth proportional to 901,169.82, 1,352,205.09 and 421,196.22 is: 632,004.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,169.82 : 1,352,205.09 = 421,196.22 : x
  2. Step 2: Convert to fraction form
    901,169.82/1,352,205.09 = 421,196.22/x
  3. Step 3: Cross multiply
    901,169.82x = 1,352,205.09 × 421,196.22
  4. Step 4: Simplify right side
    901,169.82x = 569,543,672,572.76
  5. Step 5: Solve for x
    x = 569,543,672,572.76/901,169.82
  6. Step 6: Final answer
    x = 632,004.82

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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.