Finding the Fourth Proportional to 648,166.08, 894,645.92 and 376,319.12
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Solution
The fourth proportional to 648,166.08, 894,645.92 and 376,319.12 is: 519,422.99
Step by Step Solution
- Step 1: Write the proportion equation
648,166.08 : 894,645.92 = 376,319.12 : x - Step 2: Convert to fraction form
648,166.08/894,645.92 = 376,319.12/x - Step 3: Cross multiply
648,166.08x = 894,645.92 × 376,319.12 - Step 4: Simplify right side
648,166.08x = 336,672,365,325.99 - Step 5: Solve for x
x = 336,672,365,325.99/648,166.08 - Step 6: Final answer
x = 519,422.99
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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.