Finding the Fourth Proportional to 743,872.64, 1,115,154.47 and 294,909.08
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Solution
The fourth proportional to 743,872.64, 1,115,154.47 and 294,909.08 is: 442,104.14
Step by Step Solution
- Step 1: Write the proportion equation
743,872.64 : 1,115,154.47 = 294,909.08 : x - Step 2: Convert to fraction form
743,872.64/1,115,154.47 = 294,909.08/x - Step 3: Cross multiply
743,872.64x = 1,115,154.47 × 294,909.08 - Step 4: Simplify right side
743,872.64x = 328,869,173,967.09 - Step 5: Solve for x
x = 328,869,173,967.09/743,872.64 - Step 6: Final answer
x = 442,104.14
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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.