Finding the Fourth Proportional to 679,451.63, 937,701.56 and 377,703.95
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Solution
The fourth proportional to 679,451.63, 937,701.56 and 377,703.95 is: 521,263.86
Step by Step Solution
- Step 1: Write the proportion equation
679,451.63 : 937,701.56 = 377,703.95 : x - Step 2: Convert to fraction form
679,451.63/937,701.56 = 377,703.95/x - Step 3: Cross multiply
679,451.63x = 937,701.56 × 377,703.95 - Step 4: Simplify right side
679,451.63x = 354,173,579,388.91 - Step 5: Solve for x
x = 354,173,579,388.91/679,451.63 - Step 6: Final answer
x = 521,263.86
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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.