Home / 855,590.56-1,284,647.48-477,250.52

Finding the Fourth Proportional to 855,590.56, 1,284,647.48 and 477,250.52

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Solution

The fourth proportional to 855,590.56, 1,284,647.48 and 477,250.52 is: 716,579.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,590.56 : 1,284,647.48 = 477,250.52 : x
  2. Step 2: Convert to fraction form
    855,590.56/1,284,647.48 = 477,250.52/x
  3. Step 3: Cross multiply
    855,590.56x = 1,284,647.48 × 477,250.52
  4. Step 4: Simplify right side
    855,590.56x = 613,098,677,846.69
  5. Step 5: Solve for x
    x = 613,098,677,846.69/855,590.56
  6. Step 6: Final answer
    x = 716,579.53

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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.