Finding the Fourth Proportional to 478,622.80, 660,503.99 and 263,770.71
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Solution
The fourth proportional to 478,622.80, 660,503.99 and 263,770.71 is: 364,006.07
Step by Step Solution
- Step 1: Write the proportion equation
478,622.80 : 660,503.99 = 263,770.71 : x - Step 2: Convert to fraction form
478,622.80/660,503.99 = 263,770.71/x - Step 3: Cross multiply
478,622.80x = 660,503.99 × 263,770.71 - Step 4: Simplify right side
478,622.80x = 174,221,606,400.13 - Step 5: Solve for x
x = 174,221,606,400.13/478,622.80 - Step 6: Final answer
x = 364,006.07
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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.