Finding the Fourth Proportional to 988,286.55, 1,363,981.71 and 625,744.05
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Solution
The fourth proportional to 988,286.55, 1,363,981.71 and 625,744.05 is: 863,619.40
Step by Step Solution
- Step 1: Write the proportion equation
988,286.55 : 1,363,981.71 = 625,744.05 : x - Step 2: Convert to fraction form
988,286.55/1,363,981.71 = 625,744.05/x - Step 3: Cross multiply
988,286.55x = 1,363,981.71 × 625,744.05 - Step 4: Simplify right side
988,286.55x = 853,503,432,521.42 - Step 5: Solve for x
x = 853,503,432,521.42/988,286.55 - Step 6: Final answer
x = 863,619.40
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.