Finding the Fourth Proportional to 644,072.04, 888,847.17 and 357,592.14
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Solution
The fourth proportional to 644,072.04, 888,847.17 and 357,592.14 is: 493,492.56
Step by Step Solution
- Step 1: Write the proportion equation
644,072.04 : 888,847.17 = 357,592.14 : x - Step 2: Convert to fraction form
644,072.04/888,847.17 = 357,592.14/x - Step 3: Cross multiply
644,072.04x = 888,847.17 × 357,592.14 - Step 4: Simplify right side
644,072.04x = 317,844,761,653.24 - Step 5: Solve for x
x = 317,844,761,653.24/644,072.04 - Step 6: Final answer
x = 493,492.56
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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.