Finding the Fourth Proportional to 757,757.86, 1,135,652.64 and 307,955.30
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Solution
The fourth proportional to 757,757.86, 1,135,652.64 and 307,955.30 is: 461,532.99
Step by Step Solution
- Step 1: Write the proportion equation
757,757.86 : 1,135,652.64 = 307,955.30 : x - Step 2: Convert to fraction form
757,757.86/1,135,652.64 = 307,955.30/x - Step 3: Cross multiply
757,757.86x = 1,135,652.64 × 307,955.30 - Step 4: Simplify right side
757,757.86x = 349,730,249,446.99 - Step 5: Solve for x
x = 349,730,249,446.99/757,757.86 - Step 6: Final answer
x = 461,532.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.