Finding the Fourth Proportional to 567,414.99, 783,037.98 and 312,775.29
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Solution
The fourth proportional to 567,414.99, 783,037.98 and 312,775.29 is: 431,632.82
Step by Step Solution
- Step 1: Write the proportion equation
567,414.99 : 783,037.98 = 312,775.29 : x - Step 2: Convert to fraction form
567,414.99/783,037.98 = 312,775.29/x - Step 3: Cross multiply
567,414.99x = 783,037.98 × 312,775.29 - Step 4: Simplify right side
567,414.99x = 244,914,931,275.51 - Step 5: Solve for x
x = 244,914,931,275.51/567,414.99 - Step 6: Final answer
x = 431,632.82
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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.