Home / 859,716.72-1,186,400.52-477,735.48

Finding the Fourth Proportional to 859,716.72, 1,186,400.52 and 477,735.48

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Solution

The fourth proportional to 859,716.72, 1,186,400.52 and 477,735.48 is: 659,270.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,716.72 : 1,186,400.52 = 477,735.48 : x
  2. Step 2: Convert to fraction form
    859,716.72/1,186,400.52 = 477,735.48/x
  3. Step 3: Cross multiply
    859,716.72x = 1,186,400.52 × 477,735.48
  4. Step 4: Simplify right side
    859,716.72x = 566,785,621,894.45
  5. Step 5: Solve for x
    x = 566,785,621,894.45/859,716.72
  6. Step 6: Final answer
    x = 659,270.21

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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.