Finding the Fourth Proportional to 947,219.99, 1,421,054.10 and 307,522.49
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Solution
The fourth proportional to 947,219.99, 1,421,054.10 and 307,522.49 is: 461,356.49
Step by Step Solution
- Step 1: Write the proportion equation
947,219.99 : 1,421,054.10 = 307,522.49 : x - Step 2: Convert to fraction form
947,219.99/1,421,054.10 = 307,522.49/x - Step 3: Cross multiply
947,219.99x = 1,421,054.10 × 307,522.49 - Step 4: Simplify right side
947,219.99x = 437,006,088,151.44 - Step 5: Solve for x
x = 437,006,088,151.44/947,219.99 - Step 6: Final answer
x = 461,356.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.