Finding the Fourth Proportional to 821,692, 1,232,641.68 and 282,053.44
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Solution
The fourth proportional to 821,692, 1,232,641.68 and 282,053.44 is: 423,115.75
Step by Step Solution
- Step 1: Write the proportion equation
821,692 : 1,232,641.68 = 282,053.44 : x - Step 2: Convert to fraction form
821,692/1,232,641.68 = 282,053.44/x - Step 3: Cross multiply
821,692x = 1,232,641.68 × 282,053.44 - Step 4: Simplify right side
821,692x = 347,670,826,131.38 - Step 5: Solve for x
x = 347,670,826,131.38/821,692 - Step 6: Final answer
x = 423,115.75
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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.