Finding the Fourth Proportional to 1,007,771.11, 1,390,750.47 and 548,903.07
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Solution
The fourth proportional to 1,007,771.11, 1,390,750.47 and 548,903.07 is: 757,500.59
Step by Step Solution
- Step 1: Write the proportion equation
1,007,771.11 : 1,390,750.47 = 548,903.07 : x - Step 2: Convert to fraction form
1,007,771.11/1,390,750.47 = 548,903.07/x - Step 3: Cross multiply
1,007,771.11x = 1,390,750.47 × 548,903.07 - Step 4: Simplify right side
1,007,771.11x = 763,387,202,586.94 - Step 5: Solve for x
x = 763,387,202,586.94/1,007,771.11 - Step 6: Final answer
x = 757,500.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.