Finding the Fourth Proportional to 692,296.18, 1,038,619.65 and 212,548.48
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Solution
The fourth proportional to 692,296.18, 1,038,619.65 and 212,548.48 is: 318,876.57
Step by Step Solution
- Step 1: Write the proportion equation
692,296.18 : 1,038,619.65 = 212,548.48 : x - Step 2: Convert to fraction form
692,296.18/1,038,619.65 = 212,548.48/x - Step 3: Cross multiply
692,296.18x = 1,038,619.65 × 212,548.48 - Step 4: Simplify right side
692,296.18x = 220,757,027,905.63 - Step 5: Solve for x
x = 220,757,027,905.63/692,296.18 - Step 6: Final answer
x = 318,876.57
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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.