Home / 446,975.12-670,019.82-209,893.40

Finding the Fourth Proportional to 446,975.12, 670,019.82 and 209,893.40

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Solution

The fourth proportional to 446,975.12, 670,019.82 and 209,893.40 is: 314,632.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,975.12 : 670,019.82 = 209,893.40 : x
  2. Step 2: Convert to fraction form
    446,975.12/670,019.82 = 209,893.40/x
  3. Step 3: Cross multiply
    446,975.12x = 670,019.82 × 209,893.40
  4. Step 4: Simplify right side
    446,975.12x = 140,632,738,087.19
  5. Step 5: Solve for x
    x = 140,632,738,087.19/446,975.12
  6. Step 6: Final answer
    x = 314,632.14

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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.