Finding the Fourth Proportional to 968,935.98, 1,335,745.89 and 681,564.18
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Solution
The fourth proportional to 968,935.98, 1,335,745.89 and 681,564.18 is: 939,583.80
Step by Step Solution
- Step 1: Write the proportion equation
968,935.98 : 1,335,745.89 = 681,564.18 : x - Step 2: Convert to fraction form
968,935.98/1,335,745.89 = 681,564.18/x - Step 3: Cross multiply
968,935.98x = 1,335,745.89 × 681,564.18 - Step 4: Simplify right side
968,935.98x = 910,396,552,206.22 - Step 5: Solve for x
x = 910,396,552,206.22/968,935.98 - Step 6: Final answer
x = 939,583.80
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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.