Finding the Fourth Proportional to 996,306.40, 1,492,928.70 and 742,395.70
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Solution
The fourth proportional to 996,306.40, 1,492,928.70 and 742,395.70 is: 1,112,452.80
Step by Step Solution
- Step 1: Write the proportion equation
996,306.40 : 1,492,928.70 = 742,395.70 : x - Step 2: Convert to fraction form
996,306.40/1,492,928.70 = 742,395.70/x - Step 3: Cross multiply
996,306.40x = 1,492,928.70 × 742,395.70 - Step 4: Simplify right side
996,306.40x = 1,108,343,847,286.59 - Step 5: Solve for x
x = 1,108,343,847,286.59/996,306.40 - Step 6: Final answer
x = 1,112,452.80
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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.