Finding the Fourth Proportional to 815,772.36, 1,125,945.92 and 453,320.84
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Solution
The fourth proportional to 815,772.36, 1,125,945.92 and 453,320.84 is: 625,682.82
Step by Step Solution
- Step 1: Write the proportion equation
815,772.36 : 1,125,945.92 = 453,320.84 : x - Step 2: Convert to fraction form
815,772.36/1,125,945.92 = 453,320.84/x - Step 3: Cross multiply
815,772.36x = 1,125,945.92 × 453,320.84 - Step 4: Simplify right side
815,772.36x = 510,414,750,248.97 - Step 5: Solve for x
x = 510,414,750,248.97/815,772.36 - Step 6: Final answer
x = 625,682.82
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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.