Finding the Fourth Proportional to 992,246.40, 1,486,838.70 and 738,335.70
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Solution
The fourth proportional to 992,246.40, 1,486,838.70 and 738,335.70 is: 1,106,364.40
Step by Step Solution
- Step 1: Write the proportion equation
992,246.40 : 1,486,838.70 = 738,335.70 : x - Step 2: Convert to fraction form
992,246.40/1,486,838.70 = 738,335.70/x - Step 3: Cross multiply
992,246.40x = 1,486,838.70 × 738,335.70 - Step 4: Simplify right side
992,246.40x = 1,097,786,092,351.59 - Step 5: Solve for x
x = 1,097,786,092,351.59/992,246.40 - Step 6: Final answer
x = 1,106,364.40
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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.