Finding the Fourth Proportional to 855,636.62, 1,181,335.60 and 549,830.84
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Solution
The fourth proportional to 855,636.62, 1,181,335.60 and 549,830.84 is: 759,124.53
Step by Step Solution
- Step 1: Write the proportion equation
855,636.62 : 1,181,335.60 = 549,830.84 : x - Step 2: Convert to fraction form
855,636.62/1,181,335.60 = 549,830.84/x - Step 3: Cross multiply
855,636.62x = 1,181,335.60 × 549,830.84 - Step 4: Simplify right side
855,636.62x = 649,534,745,269.90 - Step 5: Solve for x
x = 649,534,745,269.90/855,636.62 - Step 6: Final answer
x = 759,124.53
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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.