Finding the Fourth Proportional to 833,641.88, 1,248,464.68 and 427,766.00
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Solution
The fourth proportional to 833,641.88, 1,248,464.68 and 427,766.00 is: 640,623.69
Step by Step Solution
- Step 1: Write the proportion equation
833,641.88 : 1,248,464.68 = 427,766.00 : x - Step 2: Convert to fraction form
833,641.88/1,248,464.68 = 427,766.00/x - Step 3: Cross multiply
833,641.88x = 1,248,464.68 × 427,766.00 - Step 4: Simplify right side
833,641.88x = 534,050,734,993.14 - Step 5: Solve for x
x = 534,050,734,993.14/833,641.88 - Step 6: Final answer
x = 640,623.69
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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.