Finding the Fourth Proportional to 703,603.06, 971,076.43 and 445,503.99
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Solution
The fourth proportional to 703,603.06, 971,076.43 and 445,503.99 is: 614,861.49
Step by Step Solution
- Step 1: Write the proportion equation
703,603.06 : 971,076.43 = 445,503.99 : x - Step 2: Convert to fraction form
703,603.06/971,076.43 = 445,503.99/x - Step 3: Cross multiply
703,603.06x = 971,076.43 × 445,503.99 - Step 4: Simplify right side
703,603.06x = 432,618,424,159.96 - Step 5: Solve for x
x = 432,618,424,159.96/703,603.06 - Step 6: Final answer
x = 614,861.49
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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.