Finding the Fourth Proportional to 773,886.62, 1,160,403.68 and 414,478.68
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Solution
The fourth proportional to 773,886.62, 1,160,403.68 and 414,478.68 is: 621,489.73
Step by Step Solution
- Step 1: Write the proportion equation
773,886.62 : 1,160,403.68 = 414,478.68 : x - Step 2: Convert to fraction form
773,886.62/1,160,403.68 = 414,478.68/x - Step 3: Cross multiply
773,886.62x = 1,160,403.68 × 414,478.68 - Step 4: Simplify right side
773,886.62x = 480,962,583,481.15 - Step 5: Solve for x
x = 480,962,583,481.15/773,886.62 - Step 6: Final answer
x = 621,489.73
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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.