Finding the Fourth Proportional to 569,646.48, 854,890.27 and 270,128.05
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Solution
The fourth proportional to 569,646.48, 854,890.27 and 270,128.05 is: 405,391.50
Step by Step Solution
- Step 1: Write the proportion equation
569,646.48 : 854,890.27 = 270,128.05 : x - Step 2: Convert to fraction form
569,646.48/854,890.27 = 270,128.05/x - Step 3: Cross multiply
569,646.48x = 854,890.27 × 270,128.05 - Step 4: Simplify right side
569,646.48x = 230,929,841,599.07 - Step 5: Solve for x
x = 230,929,841,599.07/569,646.48 - Step 6: Final answer
x = 405,391.50
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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.