Finding the Fourth Proportional to 815,792.94, 1,125,793.35 and 453,250.50
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Solution
The fourth proportional to 815,792.94, 1,125,793.35 and 453,250.50 is: 625,485.19
Step by Step Solution
- Step 1: Write the proportion equation
815,792.94 : 1,125,793.35 = 453,250.50 : x - Step 2: Convert to fraction form
815,792.94/1,125,793.35 = 453,250.50/x - Step 3: Cross multiply
815,792.94x = 1,125,793.35 × 453,250.50 - Step 4: Simplify right side
815,792.94x = 510,266,398,784.18 - Step 5: Solve for x
x = 510,266,398,784.18/815,792.94 - Step 6: Final answer
x = 625,485.19
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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.