Finding the Fourth Proportional to 854,409.98, 1,281,702.72 and 322,378.76
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Solution
The fourth proportional to 854,409.98, 1,281,702.72 and 322,378.76 is: 483,601.25
Step by Step Solution
- Step 1: Write the proportion equation
854,409.98 : 1,281,702.72 = 322,378.76 : x - Step 2: Convert to fraction form
854,409.98/1,281,702.72 = 322,378.76/x - Step 3: Cross multiply
854,409.98x = 1,281,702.72 × 322,378.76 - Step 4: Simplify right side
854,409.98x = 413,193,733,562.23 - Step 5: Solve for x
x = 413,193,733,562.23/854,409.98 - Step 6: Final answer
x = 483,601.25
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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.