Finding the Fourth Proportional to 630,324.36, 869,920.02 and 350,949.96
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Solution
The fourth proportional to 630,324.36, 869,920.02 and 350,949.96 is: 484,351.26
Step by Step Solution
- Step 1: Write the proportion equation
630,324.36 : 869,920.02 = 350,949.96 : x - Step 2: Convert to fraction form
630,324.36/869,920.02 = 350,949.96/x - Step 3: Cross multiply
630,324.36x = 869,920.02 × 350,949.96 - Step 4: Simplify right side
630,324.36x = 305,298,396,222.20 - Step 5: Solve for x
x = 305,298,396,222.20/630,324.36 - Step 6: Final answer
x = 484,351.26
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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.