Finding the Fourth Proportional to 976,867.48, 1,348,103.42 and 547,138.18
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Solution
The fourth proportional to 976,867.48, 1,348,103.42 and 547,138.18 is: 755,065.42
Step by Step Solution
- Step 1: Write the proportion equation
976,867.48 : 1,348,103.42 = 547,138.18 : x - Step 2: Convert to fraction form
976,867.48/1,348,103.42 = 547,138.18/x - Step 3: Cross multiply
976,867.48x = 1,348,103.42 × 547,138.18 - Step 4: Simplify right side
976,867.48x = 737,598,851,670.58 - Step 5: Solve for x
x = 737,598,851,670.58/976,867.48 - Step 6: Final answer
x = 755,065.42
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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.