Finding the Fourth Proportional to 804,901.05, 1,110,868.43 and 519,252.12
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Solution
The fourth proportional to 804,901.05, 1,110,868.43 and 519,252.12 is: 716,635.65
Step by Step Solution
- Step 1: Write the proportion equation
804,901.05 : 1,110,868.43 = 519,252.12 : x - Step 2: Convert to fraction form
804,901.05/1,110,868.43 = 519,252.12/x - Step 3: Cross multiply
804,901.05x = 1,110,868.43 × 519,252.12 - Step 4: Simplify right side
804,901.05x = 576,820,784,722.31 - Step 5: Solve for x
x = 576,820,784,722.31/804,901.05 - Step 6: Final answer
x = 716,635.65
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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.