Finding the Fourth Proportional to 1,115,392.96, 1,673,128.68 and 357,257.44
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Solution
The fourth proportional to 1,115,392.96, 1,673,128.68 and 357,257.44 is: 535,898.73
Step by Step Solution
- Step 1: Write the proportion equation
1,115,392.96 : 1,673,128.68 = 357,257.44 : x - Step 2: Convert to fraction form
1,115,392.96/1,673,128.68 = 357,257.44/x - Step 3: Cross multiply
1,115,392.96x = 1,673,128.68 × 357,257.44 - Step 4: Simplify right side
1,115,392.96x = 597,737,669,007.38 - Step 5: Solve for x
x = 597,737,669,007.38/1,115,392.96 - Step 6: Final answer
x = 535,898.73
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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.