Finding the Fourth Proportional to 778,567.58, 1,167,793.05 and 217,645.82
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Solution
The fourth proportional to 778,567.58, 1,167,793.05 and 217,645.82 is: 326,452.43
Step by Step Solution
- Step 1: Write the proportion equation
778,567.58 : 1,167,793.05 = 217,645.82 : x - Step 2: Convert to fraction form
778,567.58/1,167,793.05 = 217,645.82/x - Step 3: Cross multiply
778,567.58x = 1,167,793.05 × 217,645.82 - Step 4: Simplify right side
778,567.58x = 254,165,275,957.55 - Step 5: Solve for x
x = 254,165,275,957.55/778,567.58 - Step 6: Final answer
x = 326,452.43
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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.