Home / 878,501.75-1,212,333.24-476,093.75

Finding the Fourth Proportional to 878,501.75, 1,212,333.24 and 476,093.75

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Solution

The fourth proportional to 878,501.75, 1,212,333.24 and 476,093.75 is: 657,009.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,501.75 : 1,212,333.24 = 476,093.75 : x
  2. Step 2: Convert to fraction form
    878,501.75/1,212,333.24 = 476,093.75/x
  3. Step 3: Cross multiply
    878,501.75x = 1,212,333.24 × 476,093.75
  4. Step 4: Simplify right side
    878,501.75x = 577,184,278,481.25
  5. Step 5: Solve for x
    x = 577,184,278,481.25/878,501.75
  6. Step 6: Final answer
    x = 657,009.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.