Finding the Fourth Proportional to 721,214.66, 1,081,894.08 and 247,837.70
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Solution
The fourth proportional to 721,214.66, 1,081,894.08 and 247,837.70 is: 371,781.32
Step by Step Solution
- Step 1: Write the proportion equation
721,214.66 : 1,081,894.08 = 247,837.70 : x - Step 2: Convert to fraction form
721,214.66/1,081,894.08 = 247,837.70/x - Step 3: Cross multiply
721,214.66x = 1,081,894.08 × 247,837.70 - Step 4: Simplify right side
721,214.66x = 268,134,140,430.82 - Step 5: Solve for x
x = 268,134,140,430.82/721,214.66 - Step 6: Final answer
x = 371,781.32
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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.