Finding the Fourth Proportional to 791,028.18, 1,091,553.11 and 464,305.87
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Solution
The fourth proportional to 791,028.18, 1,091,553.11 and 464,305.87 is: 640,703.50
Step by Step Solution
- Step 1: Write the proportion equation
791,028.18 : 1,091,553.11 = 464,305.87 : x - Step 2: Convert to fraction form
791,028.18/1,091,553.11 = 464,305.87/x - Step 3: Cross multiply
791,028.18x = 1,091,553.11 × 464,305.87 - Step 4: Simplify right side
791,028.18x = 506,814,519,785.54 - Step 5: Solve for x
x = 506,814,519,785.54/791,028.18 - Step 6: Final answer
x = 640,703.50
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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.