Home / 670,825.80-1,003,614.30-434,629.80

Finding the Fourth Proportional to 670,825.80, 1,003,614.30 and 434,629.80

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Solution

The fourth proportional to 670,825.80, 1,003,614.30 and 434,629.80 is: 650,244.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,825.80 : 1,003,614.30 = 434,629.80 : x
  2. Step 2: Convert to fraction form
    670,825.80/1,003,614.30 = 434,629.80/x
  3. Step 3: Cross multiply
    670,825.80x = 1,003,614.30 × 434,629.80
  4. Step 4: Simplify right side
    670,825.80x = 436,200,682,486.14
  5. Step 5: Solve for x
    x = 436,200,682,486.14/670,825.80
  6. Step 6: Final answer
    x = 650,244.34

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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.