Finding the Fourth Proportional to 999,780.56, 1,497,787.68 and 493,749.44
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Solution
The fourth proportional to 999,780.56, 1,497,787.68 and 493,749.44 is: 739,694.15
Step by Step Solution
- Step 1: Write the proportion equation
999,780.56 : 1,497,787.68 = 493,749.44 : x - Step 2: Convert to fraction form
999,780.56/1,497,787.68 = 493,749.44/x - Step 3: Cross multiply
999,780.56x = 1,497,787.68 × 493,749.44 - Step 4: Simplify right side
999,780.56x = 739,531,828,238.90 - Step 5: Solve for x
x = 739,531,828,238.90/999,780.56 - Step 6: Final answer
x = 739,694.15
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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.