Finding the Fourth Proportional to 815,865.12, 1,125,876.84 and 453,267.72
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Solution
The fourth proportional to 815,865.12, 1,125,876.84 and 453,267.72 is: 625,499.99
Step by Step Solution
- Step 1: Write the proportion equation
815,865.12 : 1,125,876.84 = 453,267.72 : x - Step 2: Convert to fraction form
815,865.12/1,125,876.84 = 453,267.72/x - Step 3: Cross multiply
815,865.12x = 1,125,876.84 × 453,267.72 - Step 4: Simplify right side
815,865.12x = 510,323,628,267.61 - Step 5: Solve for x
x = 510,323,628,267.61/815,865.12 - Step 6: Final answer
x = 625,499.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.