Finding the Fourth Proportional to 917,059.80, 1,375,589.70 and 707,107.80
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Solution
The fourth proportional to 917,059.80, 1,375,589.70 and 707,107.80 is: 1,060,661.70
Step by Step Solution
- Step 1: Write the proportion equation
917,059.80 : 1,375,589.70 = 707,107.80 : x - Step 2: Convert to fraction form
917,059.80/1,375,589.70 = 707,107.80/x - Step 3: Cross multiply
917,059.80x = 1,375,589.70 × 707,107.80 - Step 4: Simplify right side
917,059.80x = 972,690,206,469.66 - Step 5: Solve for x
x = 972,690,206,469.66/917,059.80 - Step 6: Final answer
x = 1,060,661.70
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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.