Finding the Fourth Proportional to 502,853.84, 693,977.68 and 288,063.08
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Solution
The fourth proportional to 502,853.84, 693,977.68 and 288,063.08 is: 397,549.61
Step by Step Solution
- Step 1: Write the proportion equation
502,853.84 : 693,977.68 = 288,063.08 : x - Step 2: Convert to fraction form
502,853.84/693,977.68 = 288,063.08/x - Step 3: Cross multiply
502,853.84x = 693,977.68 × 288,063.08 - Step 4: Simplify right side
502,853.84x = 199,909,347,952.05 - Step 5: Solve for x
x = 199,909,347,952.05/502,853.84 - Step 6: Final answer
x = 397,549.61
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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.