Finding the Fourth Proportional to 757,009.48, 1,135,056.84 and 301,670.74
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Solution
The fourth proportional to 757,009.48, 1,135,056.84 and 301,670.74 is: 452,323.85
Step by Step Solution
- Step 1: Write the proportion equation
757,009.48 : 1,135,056.84 = 301,670.74 : x - Step 2: Convert to fraction form
757,009.48/1,135,056.84 = 301,670.74/x - Step 3: Cross multiply
757,009.48x = 1,135,056.84 × 301,670.74 - Step 4: Simplify right side
757,009.48x = 342,413,436,864.86 - Step 5: Solve for x
x = 342,413,436,864.86/757,009.48 - Step 6: Final answer
x = 452,323.85
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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.