Finding the Fourth Proportional to 649,733.99, 972,700.52 and 379,034.42
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Solution
The fourth proportional to 649,733.99, 972,700.52 and 379,034.42 is: 567,442.95
Step by Step Solution
- Step 1: Write the proportion equation
649,733.99 : 972,700.52 = 379,034.42 : x - Step 2: Convert to fraction form
649,733.99/972,700.52 = 379,034.42/x - Step 3: Cross multiply
649,733.99x = 972,700.52 × 379,034.42 - Step 4: Simplify right side
649,733.99x = 368,686,970,673.22 - Step 5: Solve for x
x = 368,686,970,673.22/649,733.99 - Step 6: Final answer
x = 567,442.95
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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.