Finding the Fourth Proportional to 864,511.18, 1,193,044.21 and 477,325.31
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Solution
The fourth proportional to 864,511.18, 1,193,044.21 and 477,325.31 is: 658,719.29
Step by Step Solution
- Step 1: Write the proportion equation
864,511.18 : 1,193,044.21 = 477,325.31 : x - Step 2: Convert to fraction form
864,511.18/1,193,044.21 = 477,325.31/x - Step 3: Cross multiply
864,511.18x = 1,193,044.21 × 477,325.31 - Step 4: Simplify right side
864,511.18x = 569,470,190,223.42 - Step 5: Solve for x
x = 569,470,190,223.42/864,511.18 - Step 6: Final answer
x = 658,719.29
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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.