Finding the Fourth Proportional to 746,976.14, 1,120,747.31 and 447,671.53
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Solution
The fourth proportional to 746,976.14, 1,120,747.31 and 447,671.53 is: 671,676.96
Step by Step Solution
- Step 1: Write the proportion equation
746,976.14 : 1,120,747.31 = 447,671.53 : x - Step 2: Convert to fraction form
746,976.14/1,120,747.31 = 447,671.53/x - Step 3: Cross multiply
746,976.14x = 1,120,747.31 × 447,671.53 - Step 4: Simplify right side
746,976.14x = 501,726,663,011.08 - Step 5: Solve for x
x = 501,726,663,011.08/746,976.14 - Step 6: Final answer
x = 671,676.96
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.