Finding the Fourth Proportional to 714,690.24, 1,078,519.92 and 690,895.68
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Solution
The fourth proportional to 714,690.24, 1,078,519.92 and 690,895.68 is: 1,042,612.19
Step by Step Solution
- Step 1: Write the proportion equation
714,690.24 : 1,078,519.92 = 690,895.68 : x - Step 2: Convert to fraction form
714,690.24/1,078,519.92 = 690,895.68/x - Step 3: Cross multiply
714,690.24x = 1,078,519.92 × 690,895.68 - Step 4: Simplify right side
714,690.24x = 745,144,753,521.95 - Step 5: Solve for x
x = 745,144,753,521.95/714,690.24 - Step 6: Final answer
x = 1,042,612.19
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.