Finding the Fourth Proportional to 816,951.84, 1,127,373.84 and 454,374.60
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Solution
The fourth proportional to 816,951.84, 1,127,373.84 and 454,374.60 is: 627,025.99
Step by Step Solution
- Step 1: Write the proportion equation
816,951.84 : 1,127,373.84 = 454,374.60 : x - Step 2: Convert to fraction form
816,951.84/1,127,373.84 = 454,374.60/x - Step 3: Cross multiply
816,951.84x = 1,127,373.84 × 454,374.60 - Step 4: Simplify right side
816,951.84x = 512,250,037,600.46 - Step 5: Solve for x
x = 512,250,037,600.46/816,951.84 - Step 6: Final answer
x = 627,025.99
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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.