Finding the Fourth Proportional to 847,988.73, 1,170,155.97 and 485,329.86
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Solution
The fourth proportional to 847,988.73, 1,170,155.97 and 485,329.86 is: 669,716.02
Step by Step Solution
- Step 1: Write the proportion equation
847,988.73 : 1,170,155.97 = 485,329.86 : x - Step 2: Convert to fraction form
847,988.73/1,170,155.97 = 485,329.86/x - Step 3: Cross multiply
847,988.73x = 1,170,155.97 × 485,329.86 - Step 4: Simplify right side
847,988.73x = 567,911,633,098.26 - Step 5: Solve for x
x = 567,911,633,098.26/847,988.73 - Step 6: Final answer
x = 669,716.02
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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.