Finding the Fourth Proportional to 832,805.74, 1,249,021.74 and 383,094.70
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Solution
The fourth proportional to 832,805.74, 1,249,021.74 and 383,094.70 is: 574,556.09
Step by Step Solution
- Step 1: Write the proportion equation
832,805.74 : 1,249,021.74 = 383,094.70 : x - Step 2: Convert to fraction form
832,805.74/1,249,021.74 = 383,094.70/x - Step 3: Cross multiply
832,805.74x = 1,249,021.74 × 383,094.70 - Step 4: Simplify right side
832,805.74x = 478,493,608,778.78 - Step 5: Solve for x
x = 478,493,608,778.78/832,805.74 - Step 6: Final answer
x = 574,556.09
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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.