Home / 859,144.72-1,288,223.24-354,054.36

Finding the Fourth Proportional to 859,144.72, 1,288,223.24 and 354,054.36

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Solution

The fourth proportional to 859,144.72, 1,288,223.24 and 354,054.36 is: 530,878.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,144.72 : 1,288,223.24 = 354,054.36 : x
  2. Step 2: Convert to fraction form
    859,144.72/1,288,223.24 = 354,054.36/x
  3. Step 3: Cross multiply
    859,144.72x = 1,288,223.24 × 354,054.36
  4. Step 4: Simplify right side
    859,144.72x = 456,101,054,775.33
  5. Step 5: Solve for x
    x = 456,101,054,775.33/859,144.72
  6. Step 6: Final answer
    x = 530,878.03

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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.