Finding the Fourth Proportional to 993,794.62, 1,371,469.98 and 558,288.40
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Solution
The fourth proportional to 993,794.62, 1,371,469.98 and 558,288.40 is: 770,456.76
Step by Step Solution
- Step 1: Write the proportion equation
993,794.62 : 1,371,469.98 = 558,288.40 : x - Step 2: Convert to fraction form
993,794.62/1,371,469.98 = 558,288.40/x - Step 3: Cross multiply
993,794.62x = 1,371,469.98 × 558,288.40 - Step 4: Simplify right side
993,794.62x = 765,675,780,782.23 - Step 5: Solve for x
x = 765,675,780,782.23/993,794.62 - Step 6: Final answer
x = 770,456.76
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.