Finding the Fourth Proportional to 865,180.62, 1,193,775.86 and 483,148.62
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Solution
The fourth proportional to 865,180.62, 1,193,775.86 and 483,148.62 is: 666,648.27
Step by Step Solution
- Step 1: Write the proportion equation
865,180.62 : 1,193,775.86 = 483,148.62 : x - Step 2: Convert to fraction form
865,180.62/1,193,775.86 = 483,148.62/x - Step 3: Cross multiply
865,180.62x = 1,193,775.86 × 483,148.62 - Step 4: Simplify right side
865,180.62x = 576,771,159,348.31 - Step 5: Solve for x
x = 576,771,159,348.31/865,180.62 - Step 6: Final answer
x = 666,648.27
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1.5x scale
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.