Finding the Fourth Proportional to 1,057,829.68, 1,585,358.40 and 489,138.58
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Solution
The fourth proportional to 1,057,829.68, 1,585,358.40 and 489,138.58 is: 733,066.93
Step by Step Solution
- Step 1: Write the proportion equation
1,057,829.68 : 1,585,358.40 = 489,138.58 : x - Step 2: Convert to fraction form
1,057,829.68/1,585,358.40 = 489,138.58/x - Step 3: Cross multiply
1,057,829.68x = 1,585,358.40 × 489,138.58 - Step 4: Simplify right side
1,057,829.68x = 775,459,956,567.07 - Step 5: Solve for x
x = 775,459,956,567.07/1,057,829.68 - Step 6: Final answer
x = 733,066.93
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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.