Finding the Fourth Proportional to 815,177.63, 1,124,980.26 and 452,601.53
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Solution
The fourth proportional to 815,177.63, 1,124,980.26 and 452,601.53 is: 624,609.62
Step by Step Solution
- Step 1: Write the proportion equation
815,177.63 : 1,124,980.26 = 452,601.53 : x - Step 2: Convert to fraction form
815,177.63/1,124,980.26 = 452,601.53/x - Step 3: Cross multiply
815,177.63x = 1,124,980.26 × 452,601.53 - Step 4: Simplify right side
815,177.63x = 509,167,788,010.99 - Step 5: Solve for x
x = 509,167,788,010.99/815,177.63 - Step 6: Final answer
x = 624,609.62
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.