Finding the Fourth Proportional to 526,737.84, 726,892.74 and 285,015.12
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Solution
The fourth proportional to 526,737.84, 726,892.74 and 285,015.12 is: 393,317.90
Step by Step Solution
- Step 1: Write the proportion equation
526,737.84 : 726,892.74 = 285,015.12 : x - Step 2: Convert to fraction form
526,737.84/726,892.74 = 285,015.12/x - Step 3: Cross multiply
526,737.84x = 726,892.74 × 285,015.12 - Step 4: Simplify right side
526,737.84x = 207,175,421,518.23 - Step 5: Solve for x
x = 207,175,421,518.23/526,737.84 - Step 6: Final answer
x = 393,317.90
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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.