Finding the Fourth Proportional to 913,571.84, 1,260,731.52 and 505,701.81
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Solution
The fourth proportional to 913,571.84, 1,260,731.52 and 505,701.81 is: 697,869.81
Step by Step Solution
- Step 1: Write the proportion equation
913,571.84 : 1,260,731.52 = 505,701.81 : x - Step 2: Convert to fraction form
913,571.84/1,260,731.52 = 505,701.81/x - Step 3: Cross multiply
913,571.84x = 1,260,731.52 × 505,701.81 - Step 4: Simplify right side
913,571.84x = 637,554,211,588.05 - Step 5: Solve for x
x = 637,554,211,588.05/913,571.84 - Step 6: Final answer
x = 697,869.81
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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.