Finding the Fourth Proportional to 600,639.36, 828,595.14 and 371,113.70
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Solution
The fourth proportional to 600,639.36, 828,595.14 and 371,113.70 is: 511,959.47
Step by Step Solution
- Step 1: Write the proportion equation
600,639.36 : 828,595.14 = 371,113.70 : x - Step 2: Convert to fraction form
600,639.36/828,595.14 = 371,113.70/x - Step 3: Cross multiply
600,639.36x = 828,595.14 × 371,113.70 - Step 4: Simplify right side
600,639.36x = 307,503,008,207.42 - Step 5: Solve for x
x = 307,503,008,207.42/600,639.36 - Step 6: Final answer
x = 511,959.47
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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.