Home / 774,661.20-1,068,857.31-468,729.97

Finding the Fourth Proportional to 774,661.20, 1,068,857.31 and 468,729.97

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Solution

The fourth proportional to 774,661.20, 1,068,857.31 and 468,729.97 is: 646,741.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,661.20 : 1,068,857.31 = 468,729.97 : x
  2. Step 2: Convert to fraction form
    774,661.20/1,068,857.31 = 468,729.97/x
  3. Step 3: Cross multiply
    774,661.20x = 1,068,857.31 × 468,729.97
  4. Step 4: Simplify right side
    774,661.20x = 501,005,454,850.58
  5. Step 5: Solve for x
    x = 501,005,454,850.58/774,661.20
  6. Step 6: Final answer
    x = 646,741.38

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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.