Home / 855,584.56-1,284,638.45-477,244.50

Finding the Fourth Proportional to 855,584.56, 1,284,638.45 and 477,244.50

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Solution

The fourth proportional to 855,584.56, 1,284,638.45 and 477,244.50 is: 716,570.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,584.56 : 1,284,638.45 = 477,244.50 : x
  2. Step 2: Convert to fraction form
    855,584.56/1,284,638.45 = 477,244.50/x
  3. Step 3: Cross multiply
    855,584.56x = 1,284,638.45 × 477,244.50
  4. Step 4: Simplify right side
    855,584.56x = 613,086,634,751.03
  5. Step 5: Solve for x
    x = 613,086,634,751.03/855,584.56
  6. Step 6: Final answer
    x = 716,570.48

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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.