Finding the Fourth Proportional to 911,908.80, 1,368,355.68 and 379,797.12
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Solution
The fourth proportional to 911,908.80, 1,368,355.68 and 379,797.12 is: 569,900.79
Step by Step Solution
- Step 1: Write the proportion equation
911,908.80 : 1,368,355.68 = 379,797.12 : x - Step 2: Convert to fraction form
911,908.80/1,368,355.68 = 379,797.12/x - Step 3: Cross multiply
911,908.80x = 1,368,355.68 × 379,797.12 - Step 4: Simplify right side
911,908.80x = 519,697,546,399.64 - Step 5: Solve for x
x = 519,697,546,399.64/911,908.80 - Step 6: Final answer
x = 569,900.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.