Home / 904,910.53-1,357,141.52-305,858.38

Finding the Fourth Proportional to 904,910.53, 1,357,141.52 and 305,858.38

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Solution

The fourth proportional to 904,910.53, 1,357,141.52 and 305,858.38 is: 458,711.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,910.53 : 1,357,141.52 = 305,858.38 : x
  2. Step 2: Convert to fraction form
    904,910.53/1,357,141.52 = 305,858.38/x
  3. Step 3: Cross multiply
    904,910.53x = 1,357,141.52 × 305,858.38
  4. Step 4: Simplify right side
    904,910.53x = 415,093,105,208.65
  5. Step 5: Solve for x
    x = 415,093,105,208.65/904,910.53
  6. Step 6: Final answer
    x = 458,711.76

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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.