Finding the Fourth Proportional to 899,453.62, 1,241,466.42 and 512,497.18
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Solution
The fourth proportional to 899,453.62, 1,241,466.42 and 512,497.18 is: 707,371.70
Step by Step Solution
- Step 1: Write the proportion equation
899,453.62 : 1,241,466.42 = 512,497.18 : x - Step 2: Convert to fraction form
899,453.62/1,241,466.42 = 512,497.18/x - Step 3: Cross multiply
899,453.62x = 1,241,466.42 × 512,497.18 - Step 4: Simplify right side
899,453.62x = 636,248,039,314.70 - Step 5: Solve for x
x = 636,248,039,314.70/899,453.62 - Step 6: Final answer
x = 707,371.70
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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.