Finding the Fourth Proportional to 913,329.74, 1,260,397.49 and 505,459.70
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Solution
The fourth proportional to 913,329.74, 1,260,397.49 and 505,459.70 is: 697,535.75
Step by Step Solution
- Step 1: Write the proportion equation
913,329.74 : 1,260,397.49 = 505,459.70 : x - Step 2: Convert to fraction form
913,329.74/1,260,397.49 = 505,459.70/x - Step 3: Cross multiply
913,329.74x = 1,260,397.49 × 505,459.70 - Step 4: Simplify right side
913,329.74x = 637,080,137,799.85 - Step 5: Solve for x
x = 637,080,137,799.85/913,329.74 - Step 6: Final answer
x = 697,535.75
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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.