Home / 877,032.86-1,315,673.91-269,871.54

Finding the Fourth Proportional to 877,032.86, 1,315,673.91 and 269,871.54

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Solution

The fourth proportional to 877,032.86, 1,315,673.91 and 269,871.54 is: 404,845.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,032.86 : 1,315,673.91 = 269,871.54 : x
  2. Step 2: Convert to fraction form
    877,032.86/1,315,673.91 = 269,871.54/x
  3. Step 3: Cross multiply
    877,032.86x = 1,315,673.91 × 269,871.54
  4. Step 4: Simplify right side
    877,032.86x = 355,062,939,295.74
  5. Step 5: Solve for x
    x = 355,062,939,295.74/877,032.86
  6. Step 6: Final answer
    x = 404,845.65

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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.