Finding the Fourth Proportional to 789,807.36, 1,184,485.05 and 257,374.92
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Solution
The fourth proportional to 789,807.36, 1,184,485.05 and 257,374.92 is: 385,988.74
Step by Step Solution
- Step 1: Write the proportion equation
789,807.36 : 1,184,485.05 = 257,374.92 : x - Step 2: Convert to fraction form
789,807.36/1,184,485.05 = 257,374.92/x - Step 3: Cross multiply
789,807.36x = 1,184,485.05 × 257,374.92 - Step 4: Simplify right side
789,807.36x = 304,856,744,984.95 - Step 5: Solve for x
x = 304,856,744,984.95/789,807.36 - Step 6: Final answer
x = 385,988.74
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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.