Finding the Fourth Proportional to 935,625.20, 1,401,364.20 and 724,578.80
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Solution
The fourth proportional to 935,625.20, 1,401,364.20 and 724,578.80 is: 1,085,262.34
Step by Step Solution
- Step 1: Write the proportion equation
935,625.20 : 1,401,364.20 = 724,578.80 : x - Step 2: Convert to fraction form
935,625.20/1,401,364.20 = 724,578.80/x - Step 3: Cross multiply
935,625.20x = 1,401,364.20 × 724,578.80 - Step 4: Simplify right side
935,625.20x = 1,015,398,790,398.96 - Step 5: Solve for x
x = 1,015,398,790,398.96/935,625.20 - Step 6: Final answer
x = 1,085,262.34
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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.