Home / 912,258.36-1,258,942.77-504,386.51

Finding the Fourth Proportional to 912,258.36, 1,258,942.77 and 504,386.51

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Solution

The fourth proportional to 912,258.36, 1,258,942.77 and 504,386.51 is: 696,067.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,258.36 : 1,258,942.77 = 504,386.51 : x
  2. Step 2: Convert to fraction form
    912,258.36/1,258,942.77 = 504,386.51/x
  3. Step 3: Cross multiply
    912,258.36x = 1,258,942.77 × 504,386.51
  4. Step 4: Simplify right side
    912,258.36x = 634,993,743,755.32
  5. Step 5: Solve for x
    x = 634,993,743,755.32/912,258.36
  6. Step 6: Final answer
    x = 696,067.88

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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.