Finding the Fourth Proportional to 948,802.98, 1,423,202.70 and 309,105.99
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Solution
The fourth proportional to 948,802.98, 1,423,202.70 and 309,105.99 is: 463,658.41
Step by Step Solution
- Step 1: Write the proportion equation
948,802.98 : 1,423,202.70 = 309,105.99 : x - Step 2: Convert to fraction form
948,802.98/1,423,202.70 = 309,105.99/x - Step 3: Cross multiply
948,802.98x = 1,423,202.70 × 309,105.99 - Step 4: Simplify right side
948,802.98x = 439,920,479,554.17 - Step 5: Solve for x
x = 439,920,479,554.17/948,802.98 - Step 6: Final answer
x = 463,658.41
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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.