Finding the Fourth Proportional to 752,854.53, 1,128,406.59 and 279,237.81
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Solution
The fourth proportional to 752,854.53, 1,128,406.59 and 279,237.81 is: 418,532.10
Step by Step Solution
- Step 1: Write the proportion equation
752,854.53 : 1,128,406.59 = 279,237.81 : x - Step 2: Convert to fraction form
752,854.53/1,128,406.59 = 279,237.81/x - Step 3: Cross multiply
752,854.53x = 1,128,406.59 × 279,237.81 - Step 4: Simplify right side
752,854.53x = 315,093,784,981.17 - Step 5: Solve for x
x = 315,093,784,981.17/752,854.53 - Step 6: Final answer
x = 418,532.10
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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.