Finding the Fourth Proportional to 961,258.05, 1,442,202.73 and 393,116.96
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Solution
The fourth proportional to 961,258.05, 1,442,202.73 and 393,116.96 is: 589,804.53
Step by Step Solution
- Step 1: Write the proportion equation
961,258.05 : 1,442,202.73 = 393,116.96 : x - Step 2: Convert to fraction form
961,258.05/1,442,202.73 = 393,116.96/x - Step 3: Cross multiply
961,258.05x = 1,442,202.73 × 393,116.96 - Step 4: Simplify right side
961,258.05x = 566,954,352,921.30 - Step 5: Solve for x
x = 566,954,352,921.30/961,258.05 - Step 6: Final answer
x = 589,804.53
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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.