Finding the Fourth Proportional to 838,102.42, 1,257,965.55 and 792,585.48
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Solution
The fourth proportional to 838,102.42, 1,257,965.55 and 792,585.48 is: 1,189,646.05
Step by Step Solution
- Step 1: Write the proportion equation
838,102.42 : 1,257,965.55 = 792,585.48 : x - Step 2: Convert to fraction form
838,102.42/1,257,965.55 = 792,585.48/x - Step 3: Cross multiply
838,102.42x = 1,257,965.55 × 792,585.48 - Step 4: Simplify right side
838,102.42x = 997,045,229,270.21 - Step 5: Solve for x
x = 997,045,229,270.21/838,102.42 - Step 6: Final answer
x = 1,189,646.05
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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.