Finding the Fourth Proportional to 898,427.70, 1,347,641.55 and 763,125.30
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Solution
The fourth proportional to 898,427.70, 1,347,641.55 and 763,125.30 is: 1,144,687.95
Step by Step Solution
- Step 1: Write the proportion equation
898,427.70 : 1,347,641.55 = 763,125.30 : x - Step 2: Convert to fraction form
898,427.70/1,347,641.55 = 763,125.30/x - Step 3: Cross multiply
898,427.70x = 1,347,641.55 × 763,125.30 - Step 4: Simplify right side
898,427.70x = 1,028,419,362,136.22 - Step 5: Solve for x
x = 1,028,419,362,136.22/898,427.70 - Step 6: Final answer
x = 1,144,687.95
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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.