Home / 587,382.03-810,571.46-345,678.84

Finding the Fourth Proportional to 587,382.03, 810,571.46 and 345,678.84

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Solution

The fourth proportional to 587,382.03, 810,571.46 and 345,678.84 is: 477,027.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,382.03 : 810,571.46 = 345,678.84 : x
  2. Step 2: Convert to fraction form
    587,382.03/810,571.46 = 345,678.84/x
  3. Step 3: Cross multiply
    587,382.03x = 810,571.46 × 345,678.84
  4. Step 4: Simplify right side
    587,382.03x = 280,197,400,301.51
  5. Step 5: Solve for x
    x = 280,197,400,301.51/587,382.03
  6. Step 6: Final answer
    x = 477,027.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.