Home / 899,645.79-1,349,538.39-300,609.05

Finding the Fourth Proportional to 899,645.79, 1,349,538.39 and 300,609.05

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Solution

The fourth proportional to 899,645.79, 1,349,538.39 and 300,609.05 is: 450,936.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,645.79 : 1,349,538.39 = 300,609.05 : x
  2. Step 2: Convert to fraction form
    899,645.79/1,349,538.39 = 300,609.05/x
  3. Step 3: Cross multiply
    899,645.79x = 1,349,538.39 × 300,609.05
  4. Step 4: Simplify right side
    899,645.79x = 405,683,446,608.74
  5. Step 5: Solve for x
    x = 405,683,446,608.74/899,645.79
  6. Step 6: Final answer
    x = 450,936.86

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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.