Finding the Fourth Proportional to 762,695.40, 1,144,756.62 and 403,133.12
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Solution
The fourth proportional to 762,695.40, 1,144,756.62 and 403,133.12 is: 605,076.82
Step by Step Solution
- Step 1: Write the proportion equation
762,695.40 : 1,144,756.62 = 403,133.12 : x - Step 2: Convert to fraction form
762,695.40/1,144,756.62 = 403,133.12/x - Step 3: Cross multiply
762,695.40x = 1,144,756.62 × 403,133.12 - Step 4: Simplify right side
762,695.40x = 461,489,307,861.25 - Step 5: Solve for x
x = 461,489,307,861.25/762,695.40 - Step 6: Final answer
x = 605,076.82
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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.