Home / 855,580.61-1,284,632.54-477,240.54

Finding the Fourth Proportional to 855,580.61, 1,284,632.54 and 477,240.54

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Solution

The fourth proportional to 855,580.61, 1,284,632.54 and 477,240.54 is: 716,564.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,580.61 : 1,284,632.54 = 477,240.54 : x
  2. Step 2: Convert to fraction form
    855,580.61/1,284,632.54 = 477,240.54/x
  3. Step 3: Cross multiply
    855,580.61x = 1,284,632.54 × 477,240.54
  4. Step 4: Simplify right side
    855,580.61x = 613,078,724,704.97
  5. Step 5: Solve for x
    x = 613,078,724,704.97/855,580.61
  6. Step 6: Final answer
    x = 716,564.54

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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.