Finding the Fourth Proportional to 636,482.18, 878,344.16 and 364,638.08
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Solution
The fourth proportional to 636,482.18, 878,344.16 and 364,638.08 is: 503,199.83
Step by Step Solution
- Step 1: Write the proportion equation
636,482.18 : 878,344.16 = 364,638.08 : x - Step 2: Convert to fraction form
636,482.18/878,344.16 = 364,638.08/x - Step 3: Cross multiply
636,482.18x = 878,344.16 × 364,638.08 - Step 4: Simplify right side
636,482.18x = 320,277,721,866.70 - Step 5: Solve for x
x = 320,277,721,866.70/636,482.18 - Step 6: Final answer
x = 503,199.83
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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.