Finding the Fourth Proportional to 778,528.08, 1,167,636.48 and 217,567.44
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Solution
The fourth proportional to 778,528.08, 1,167,636.48 and 217,567.44 is: 326,307.66
Step by Step Solution
- Step 1: Write the proportion equation
778,528.08 : 1,167,636.48 = 217,567.44 : x - Step 2: Convert to fraction form
778,528.08/1,167,636.48 = 217,567.44/x - Step 3: Cross multiply
778,528.08x = 1,167,636.48 × 217,567.44 - Step 4: Simplify right side
778,528.08x = 254,039,679,804.21 - Step 5: Solve for x
x = 254,039,679,804.21/778,528.08 - Step 6: Final answer
x = 326,307.66
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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.