Finding the Fourth Proportional to 961,318.80, 1,440,009.90 and 488,270.70
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Solution
The fourth proportional to 961,318.80, 1,440,009.90 and 488,270.70 is: 731,406.32
Step by Step Solution
- Step 1: Write the proportion equation
961,318.80 : 1,440,009.90 = 488,270.70 : x - Step 2: Convert to fraction form
961,318.80/1,440,009.90 = 488,270.70/x - Step 3: Cross multiply
961,318.80x = 1,440,009.90 × 488,270.70 - Step 4: Simplify right side
961,318.80x = 703,114,641,879.93 - Step 5: Solve for x
x = 703,114,641,879.93/961,318.80 - Step 6: Final answer
x = 731,406.32
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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.