Home / 899,942.40-1,349,239.68-300,555.36

Finding the Fourth Proportional to 899,942.40, 1,349,239.68 and 300,555.36

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Solution

The fourth proportional to 899,942.40, 1,349,239.68 and 300,555.36 is: 450,607.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,942.40 : 1,349,239.68 = 300,555.36 : x
  2. Step 2: Convert to fraction form
    899,942.40/1,349,239.68 = 300,555.36/x
  3. Step 3: Cross multiply
    899,942.40x = 1,349,239.68 × 300,555.36
  4. Step 4: Simplify right side
    899,942.40x = 405,521,217,748.69
  5. Step 5: Solve for x
    x = 405,521,217,748.69/899,942.40
  6. Step 6: Final answer
    x = 450,607.97

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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.