Finding the Fourth Proportional to 822,567.83, 1,135,135.82 and 459,987.53
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Solution
The fourth proportional to 822,567.83, 1,135,135.82 and 459,987.53 is: 634,778.44
Step by Step Solution
- Step 1: Write the proportion equation
822,567.83 : 1,135,135.82 = 459,987.53 : x - Step 2: Convert to fraction form
822,567.83/1,135,135.82 = 459,987.53/x - Step 3: Cross multiply
822,567.83x = 1,135,135.82 × 459,987.53 - Step 4: Simplify right side
822,567.83x = 522,148,317,530.61 - Step 5: Solve for x
x = 522,148,317,530.61/822,567.83 - Step 6: Final answer
x = 634,778.44
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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.