Finding the Fourth Proportional to 455,882.16, 683,211.99 and 354,802.28
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Solution
The fourth proportional to 455,882.16, 683,211.99 and 354,802.28 is: 531,727.69
Step by Step Solution
- Step 1: Write the proportion equation
455,882.16 : 683,211.99 = 354,802.28 : x - Step 2: Convert to fraction form
455,882.16/683,211.99 = 354,802.28/x - Step 3: Cross multiply
455,882.16x = 683,211.99 × 354,802.28 - Step 4: Simplify right side
455,882.16x = 242,405,168,359.28 - Step 5: Solve for x
x = 242,405,168,359.28/455,882.16 - Step 6: Final answer
x = 531,727.69
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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.