Finding the Fourth Proportional to 678,826.84, 936,764.70 and 377,021.08
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Solution
The fourth proportional to 678,826.84, 936,764.70 and 377,021.08 is: 520,280.02
Step by Step Solution
- Step 1: Write the proportion equation
678,826.84 : 936,764.70 = 377,021.08 : x - Step 2: Convert to fraction form
678,826.84/936,764.70 = 377,021.08/x - Step 3: Cross multiply
678,826.84x = 936,764.70 × 377,021.08 - Step 4: Simplify right side
678,826.84x = 353,180,038,899.88 - Step 5: Solve for x
x = 353,180,038,899.88/678,826.84 - Step 6: Final answer
x = 520,280.02
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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.