Finding the Fourth Proportional to 636,252.65, 878,045.42 and 349,779.95
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Solution
The fourth proportional to 636,252.65, 878,045.42 and 349,779.95 is: 482,705.55
Step by Step Solution
- Step 1: Write the proportion equation
636,252.65 : 878,045.42 = 349,779.95 : x - Step 2: Convert to fraction form
636,252.65/878,045.42 = 349,779.95/x - Step 3: Cross multiply
636,252.65x = 878,045.42 × 349,779.95 - Step 4: Simplify right side
636,252.65x = 307,122,682,882.22 - Step 5: Solve for x
x = 307,122,682,882.22/636,252.65 - Step 6: Final answer
x = 482,705.55
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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.