Finding the Fourth Proportional to 993,435.84, 1,490,202.72 and 283,568.40
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Solution
The fourth proportional to 993,435.84, 1,490,202.72 and 283,568.40 is: 425,366.58
Step by Step Solution
- Step 1: Write the proportion equation
993,435.84 : 1,490,202.72 = 283,568.40 : x - Step 2: Convert to fraction form
993,435.84/1,490,202.72 = 283,568.40/x - Step 3: Cross multiply
993,435.84x = 1,490,202.72 × 283,568.40 - Step 4: Simplify right side
993,435.84x = 422,574,400,986.05 - Step 5: Solve for x
x = 422,574,400,986.05/993,435.84 - Step 6: Final answer
x = 425,366.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.