Finding the Fourth Proportional to 847,647.09, 1,271,691.77 and 492,319.53
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Solution
The fourth proportional to 847,647.09, 1,271,691.77 and 492,319.53 is: 738,607.73
Step by Step Solution
- Step 1: Write the proportion equation
847,647.09 : 1,271,691.77 = 492,319.53 : x - Step 2: Convert to fraction form
847,647.09/1,271,691.77 = 492,319.53/x - Step 3: Cross multiply
847,647.09x = 1,271,691.77 × 492,319.53 - Step 4: Simplify right side
847,647.09x = 626,078,692,049.67 - Step 5: Solve for x
x = 626,078,692,049.67/847,647.09 - Step 6: Final answer
x = 738,607.73
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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.