Finding the Fourth Proportional to 898,241.94, 1,239,824.07 and 516,391.74
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Solution
The fourth proportional to 898,241.94, 1,239,824.07 and 516,391.74 is: 712,764.43
Step by Step Solution
- Step 1: Write the proportion equation
898,241.94 : 1,239,824.07 = 516,391.74 : x - Step 2: Convert to fraction form
898,241.94/1,239,824.07 = 516,391.74/x - Step 3: Cross multiply
898,241.94x = 1,239,824.07 × 516,391.74 - Step 4: Simplify right side
898,241.94x = 640,234,908,801.18 - Step 5: Solve for x
x = 640,234,908,801.18/898,241.94 - Step 6: Final answer
x = 712,764.43
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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.