Finding the Fourth Proportional to 815,824.08, 1,125,836.16 and 453,281.36
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Solution
The fourth proportional to 815,824.08, 1,125,836.16 and 453,281.36 is: 625,527.68
Step by Step Solution
- Step 1: Write the proportion equation
815,824.08 : 1,125,836.16 = 453,281.36 : x - Step 2: Convert to fraction form
815,824.08/1,125,836.16 = 453,281.36/x - Step 3: Cross multiply
815,824.08x = 1,125,836.16 × 453,281.36 - Step 4: Simplify right side
815,824.08x = 510,320,545,741.98 - Step 5: Solve for x
x = 510,320,545,741.98/815,824.08 - Step 6: Final answer
x = 625,527.68
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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.