Finding the Fourth Proportional to 951,486.12, 1,313,068.86 and 521,740.62
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Solution
The fourth proportional to 951,486.12, 1,313,068.86 and 521,740.62 is: 720,011.93
Step by Step Solution
- Step 1: Write the proportion equation
951,486.12 : 1,313,068.86 = 521,740.62 : x - Step 2: Convert to fraction form
951,486.12/1,313,068.86 = 521,740.62/x - Step 3: Cross multiply
951,486.12x = 1,313,068.86 × 521,740.62 - Step 4: Simplify right side
951,486.12x = 685,081,361,119.09 - Step 5: Solve for x
x = 685,081,361,119.09/951,486.12 - Step 6: Final answer
x = 720,011.93
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.