Finding the Fourth Proportional to 815,982.75, 1,224,017.87 and 255,060.99
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Solution
The fourth proportional to 815,982.75, 1,224,017.87 and 255,060.99 is: 382,605.16
Step by Step Solution
- Step 1: Write the proportion equation
815,982.75 : 1,224,017.87 = 255,060.99 : x - Step 2: Convert to fraction form
815,982.75/1,224,017.87 = 255,060.99/x - Step 3: Cross multiply
815,982.75x = 1,224,017.87 × 255,060.99 - Step 4: Simplify right side
815,982.75x = 312,199,208,424.59 - Step 5: Solve for x
x = 312,199,208,424.59/815,982.75 - Step 6: Final answer
x = 382,605.16
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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.