Finding the Fourth Proportional to 810,703.08, 1,118,881.35 and 466,531.92
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Solution
The fourth proportional to 810,703.08, 1,118,881.35 and 466,531.92 is: 643,877.98
Step by Step Solution
- Step 1: Write the proportion equation
810,703.08 : 1,118,881.35 = 466,531.92 : x - Step 2: Convert to fraction form
810,703.08/1,118,881.35 = 466,531.92/x - Step 3: Cross multiply
810,703.08x = 1,118,881.35 × 466,531.92 - Step 4: Simplify right side
810,703.08x = 521,993,864,467.69 - Step 5: Solve for x
x = 521,993,864,467.69/810,703.08 - Step 6: Final answer
x = 643,877.98
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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.