Home / 878,249.70-1,211,968.82-496,268.28

Finding the Fourth Proportional to 878,249.70, 1,211,968.82 and 496,268.28

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Solution

The fourth proportional to 878,249.70, 1,211,968.82 and 496,268.28 is: 684,841.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,249.70 : 1,211,968.82 = 496,268.28 : x
  2. Step 2: Convert to fraction form
    878,249.70/1,211,968.82 = 496,268.28/x
  3. Step 3: Cross multiply
    878,249.70x = 1,211,968.82 × 496,268.28
  4. Step 4: Simplify right side
    878,249.70x = 601,461,681,715.03
  5. Step 5: Solve for x
    x = 601,461,681,715.03/878,249.70
  6. Step 6: Final answer
    x = 684,841.32

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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.