Finding the Fourth Proportional to 619,237.44, 853,683.84 and 415,324.80
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Solution
The fourth proportional to 619,237.44, 853,683.84 and 415,324.80 is: 572,568.85
Step by Step Solution
- Step 1: Write the proportion equation
619,237.44 : 853,683.84 = 415,324.80 : x - Step 2: Convert to fraction form
619,237.44/853,683.84 = 415,324.80/x - Step 3: Cross multiply
619,237.44x = 853,683.84 × 415,324.80 - Step 4: Simplify right side
619,237.44x = 354,556,070,111.23 - Step 5: Solve for x
x = 354,556,070,111.23/619,237.44 - Step 6: Final answer
x = 572,568.85
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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.