Finding the Fourth Proportional to 497,302.10, 744,203.55 and 455,311.70
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Solution
The fourth proportional to 497,302.10, 744,203.55 and 455,311.70 is: 681,365.68
Step by Step Solution
- Step 1: Write the proportion equation
497,302.10 : 744,203.55 = 455,311.70 : x - Step 2: Convert to fraction form
497,302.10/744,203.55 = 455,311.70/x - Step 3: Cross multiply
497,302.10x = 744,203.55 × 455,311.70 - Step 4: Simplify right side
497,302.10x = 338,844,583,496.54 - Step 5: Solve for x
x = 338,844,583,496.54/497,302.10 - Step 6: Final answer
x = 681,365.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.