Home / 878,795.48-1,212,690.66-496,799.48

Finding the Fourth Proportional to 878,795.48, 1,212,690.66 and 496,799.48

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Solution

The fourth proportional to 878,795.48, 1,212,690.66 and 496,799.48 is: 685,556.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,795.48 : 1,212,690.66 = 496,799.48 : x
  2. Step 2: Convert to fraction form
    878,795.48/1,212,690.66 = 496,799.48/x
  3. Step 3: Cross multiply
    878,795.48x = 1,212,690.66 × 496,799.48
  4. Step 4: Simplify right side
    878,795.48x = 602,464,089,288.86
  5. Step 5: Solve for x
    x = 602,464,089,288.86/878,795.48
  6. Step 6: Final answer
    x = 685,556.65

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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.