Home / 875,845.80-1,313,655.51-276,867.39

Finding the Fourth Proportional to 875,845.80, 1,313,655.51 and 276,867.39

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Solution

The fourth proportional to 875,845.80, 1,313,655.51 and 276,867.39 is: 415,265.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,845.80 : 1,313,655.51 = 276,867.39 : x
  2. Step 2: Convert to fraction form
    875,845.80/1,313,655.51 = 276,867.39/x
  3. Step 3: Cross multiply
    875,845.80x = 1,313,655.51 × 276,867.39
  4. Step 4: Simplify right side
    875,845.80x = 363,708,372,412.82
  5. Step 5: Solve for x
    x = 363,708,372,412.82/875,845.80
  6. Step 6: Final answer
    x = 415,265.30

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1.5x scale

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.