Home / 899,658.15-1,349,556.99-300,621.45

Finding the Fourth Proportional to 899,658.15, 1,349,556.99 and 300,621.45

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Solution

The fourth proportional to 899,658.15, 1,349,556.99 and 300,621.45 is: 450,955.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,658.15 : 1,349,556.99 = 300,621.45 : x
  2. Step 2: Convert to fraction form
    899,658.15/1,349,556.99 = 300,621.45/x
  3. Step 3: Cross multiply
    899,658.15x = 1,349,556.99 × 300,621.45
  4. Step 4: Simplify right side
    899,658.15x = 405,705,779,191.44
  5. Step 5: Solve for x
    x = 405,705,779,191.44/899,658.15
  6. Step 6: Final answer
    x = 450,955.49

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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.