Home / 839,274.64-1,259,284.07-439,820.44

Finding the Fourth Proportional to 839,274.64, 1,259,284.07 and 439,820.44

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Solution

The fourth proportional to 839,274.64, 1,259,284.07 and 439,820.44 is: 659,925.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,274.64 : 1,259,284.07 = 439,820.44 : x
  2. Step 2: Convert to fraction form
    839,274.64/1,259,284.07 = 439,820.44/x
  3. Step 3: Cross multiply
    839,274.64x = 1,259,284.07 × 439,820.44
  4. Step 4: Simplify right side
    839,274.64x = 553,858,873,752.39
  5. Step 5: Solve for x
    x = 553,858,873,752.39/839,274.64
  6. Step 6: Final answer
    x = 659,925.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.