Finding the Fourth Proportional to 951,919.94, 1,313,641.88 and 516,336.18
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Solution
The fourth proportional to 951,919.94, 1,313,641.88 and 516,336.18 is: 712,539.79
Step by Step Solution
- Step 1: Write the proportion equation
951,919.94 : 1,313,641.88 = 516,336.18 : x - Step 2: Convert to fraction form
951,919.94/1,313,641.88 = 516,336.18/x - Step 3: Cross multiply
951,919.94x = 1,313,641.88 × 516,336.18 - Step 4: Simplify right side
951,919.94x = 678,280,830,207.22 - Step 5: Solve for x
x = 678,280,830,207.22/951,919.94 - Step 6: Final answer
x = 712,539.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.