Finding the Fourth Proportional to 679,348.92, 937,478.70 and 377,536.44
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Solution
The fourth proportional to 679,348.92, 937,478.70 and 377,536.44 is: 520,987.61
Step by Step Solution
- Step 1: Write the proportion equation
679,348.92 : 937,478.70 = 377,536.44 : x - Step 2: Convert to fraction form
679,348.92/937,478.70 = 377,536.44/x - Step 3: Cross multiply
679,348.92x = 937,478.70 × 377,536.44 - Step 4: Simplify right side
679,348.92x = 353,932,370,973.83 - Step 5: Solve for x
x = 353,932,370,973.83/679,348.92 - Step 6: Final answer
x = 520,987.61
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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.