Home / 965,312.38-1,448,157.30-291,448.54

Finding the Fourth Proportional to 965,312.38, 1,448,157.30 and 291,448.54

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Solution

The fourth proportional to 965,312.38, 1,448,157.30 and 291,448.54 is: 437,229.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,312.38 : 1,448,157.30 = 291,448.54 : x
  2. Step 2: Convert to fraction form
    965,312.38/1,448,157.30 = 291,448.54/x
  3. Step 3: Cross multiply
    965,312.38x = 1,448,157.30 × 291,448.54
  4. Step 4: Simplify right side
    965,312.38x = 422,063,330,775.34
  5. Step 5: Solve for x
    x = 422,063,330,775.34/965,312.38
  6. Step 6: Final answer
    x = 437,229.79

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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.