Finding the Fourth Proportional to 754,539.76, 1,040,737.60 and 512,401.99
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Solution
The fourth proportional to 754,539.76, 1,040,737.60 and 512,401.99 is: 706,756.68
Step by Step Solution
- Step 1: Write the proportion equation
754,539.76 : 1,040,737.60 = 512,401.99 : x - Step 2: Convert to fraction form
754,539.76/1,040,737.60 = 512,401.99/x - Step 3: Cross multiply
754,539.76x = 1,040,737.60 × 512,401.99 - Step 4: Simplify right side
754,539.76x = 533,276,017,307.82 - Step 5: Solve for x
x = 533,276,017,307.82/754,539.76 - Step 6: Final answer
x = 706,756.68
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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.