Finding the Fourth Proportional to 913,405.76, 1,260,474.01 and 505,524.68
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Solution
The fourth proportional to 913,405.76, 1,260,474.01 and 505,524.68 is: 697,609.70
Step by Step Solution
- Step 1: Write the proportion equation
913,405.76 : 1,260,474.01 = 505,524.68 : x - Step 2: Convert to fraction form
913,405.76/1,260,474.01 = 505,524.68/x - Step 3: Cross multiply
913,405.76x = 1,260,474.01 × 505,524.68 - Step 4: Simplify right side
913,405.76x = 637,200,712,987.39 - Step 5: Solve for x
x = 637,200,712,987.39/913,405.76 - Step 6: Final answer
x = 697,609.70
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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.