Home / 878,499.75-1,212,330.48-476,091.75

Finding the Fourth Proportional to 878,499.75, 1,212,330.48 and 476,091.75

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Solution

The fourth proportional to 878,499.75, 1,212,330.48 and 476,091.75 is: 657,007.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,499.75 : 1,212,330.48 = 476,091.75 : x
  2. Step 2: Convert to fraction form
    878,499.75/1,212,330.48 = 476,091.75/x
  3. Step 3: Cross multiply
    878,499.75x = 1,212,330.48 × 476,091.75
  4. Step 4: Simplify right side
    878,499.75x = 577,180,539,801.54
  5. Step 5: Solve for x
    x = 577,180,539,801.54/878,499.75
  6. Step 6: Final answer
    x = 657,007.06

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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.