Finding the Fourth Proportional to 497,272.10, 744,158.55 and 455,281.70
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Solution
The fourth proportional to 497,272.10, 744,158.55 and 455,281.70 is: 681,320.69
Step by Step Solution
- Step 1: Write the proportion equation
497,272.10 : 744,158.55 = 455,281.70 : x - Step 2: Convert to fraction form
497,272.10/744,158.55 = 455,281.70/x - Step 3: Cross multiply
497,272.10x = 744,158.55 × 455,281.70 - Step 4: Simplify right side
497,272.10x = 338,801,769,713.54 - Step 5: Solve for x
x = 338,801,769,713.54/497,272.10 - Step 6: Final answer
x = 681,320.69
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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.