Finding the Fourth Proportional to 988,782.57, 1,364,530.55 and 580,901.49
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Solution
The fourth proportional to 988,782.57, 1,364,530.55 and 580,901.49 is: 801,650.28
Step by Step Solution
- Step 1: Write the proportion equation
988,782.57 : 1,364,530.55 = 580,901.49 : x - Step 2: Convert to fraction form
988,782.57/1,364,530.55 = 580,901.49/x - Step 3: Cross multiply
988,782.57x = 1,364,530.55 × 580,901.49 - Step 4: Simplify right side
988,782.57x = 792,657,826,741.01 - Step 5: Solve for x
x = 792,657,826,741.01/988,782.57 - Step 6: Final answer
x = 801,650.28
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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.