Finding the Fourth Proportional to 636,216.90, 877,957.11 and 349,734.93
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Solution
The fourth proportional to 636,216.90, 877,957.11 and 349,734.93 is: 482,621.99
Step by Step Solution
- Step 1: Write the proportion equation
636,216.90 : 877,957.11 = 349,734.93 : x - Step 2: Convert to fraction form
636,216.90/877,957.11 = 349,734.93/x - Step 3: Cross multiply
636,216.90x = 877,957.11 × 349,734.93 - Step 4: Simplify right side
636,216.90x = 307,052,268,408.85 - Step 5: Solve for x
x = 307,052,268,408.85/636,216.90 - Step 6: Final answer
x = 482,621.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.