Home / 877,305.33-1,316,004.77-278,314.38

Finding the Fourth Proportional to 877,305.33, 1,316,004.77 and 278,314.38

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Solution

The fourth proportional to 877,305.33, 1,316,004.77 and 278,314.38 is: 417,486.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,305.33 : 1,316,004.77 = 278,314.38 : x
  2. Step 2: Convert to fraction form
    877,305.33/1,316,004.77 = 278,314.38/x
  3. Step 3: Cross multiply
    877,305.33x = 1,316,004.77 × 278,314.38
  4. Step 4: Simplify right side
    877,305.33x = 366,263,052,335.38
  5. Step 5: Solve for x
    x = 366,263,052,335.38/877,305.33
  6. Step 6: Final answer
    x = 417,486.41

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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.