Finding the Fourth Proportional to 762,352, 1,143,110.49 and 351,575.53
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Solution
The fourth proportional to 762,352, 1,143,110.49 and 351,575.53 is: 527,170.75
Step by Step Solution
- Step 1: Write the proportion equation
762,352 : 1,143,110.49 = 351,575.53 : x - Step 2: Convert to fraction form
762,352/1,143,110.49 = 351,575.53/x - Step 3: Cross multiply
762,352x = 1,143,110.49 × 351,575.53 - Step 4: Simplify right side
762,352x = 401,889,676,370.31 - Step 5: Solve for x
x = 401,889,676,370.31/762,352 - Step 6: Final answer
x = 527,170.75
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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.