Home / 878,949.05-1,212,975.27-496,967.63

Finding the Fourth Proportional to 878,949.05, 1,212,975.27 and 496,967.63

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Solution

The fourth proportional to 878,949.05, 1,212,975.27 and 496,967.63 is: 685,829.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,949.05 : 1,212,975.27 = 496,967.63 : x
  2. Step 2: Convert to fraction form
    878,949.05/1,212,975.27 = 496,967.63/x
  3. Step 3: Cross multiply
    878,949.05x = 1,212,975.27 × 496,967.63
  4. Step 4: Simplify right side
    878,949.05x = 602,809,439,115.63
  5. Step 5: Solve for x
    x = 602,809,439,115.63/878,949.05
  6. Step 6: Final answer
    x = 685,829.79

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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.