Finding the Fourth Proportional to 853,567.27, 1,280,550.47 and 454,117.19
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Solution
The fourth proportional to 853,567.27, 1,280,550.47 and 454,117.19 is: 681,281.95
Step by Step Solution
- Step 1: Write the proportion equation
853,567.27 : 1,280,550.47 = 454,117.19 : x - Step 2: Convert to fraction form
853,567.27/1,280,550.47 = 454,117.19/x - Step 3: Cross multiply
853,567.27x = 1,280,550.47 × 454,117.19 - Step 4: Simplify right side
853,567.27x = 581,519,972,416.24 - Step 5: Solve for x
x = 581,519,972,416.24/853,567.27 - Step 6: Final answer
x = 681,281.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.