Finding the Fourth Proportional to 538,580.44, 743,950.92 and 402,377.68
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Solution
The fourth proportional to 538,580.44, 743,950.92 and 402,377.68 is: 555,811.58
Step by Step Solution
- Step 1: Write the proportion equation
538,580.44 : 743,950.92 = 402,377.68 : x - Step 2: Convert to fraction form
538,580.44/743,950.92 = 402,377.68/x - Step 3: Cross multiply
538,580.44x = 743,950.92 × 402,377.68 - Step 4: Simplify right side
538,580.44x = 299,349,245,223.47 - Step 5: Solve for x
x = 299,349,245,223.47/538,580.44 - Step 6: Final answer
x = 555,811.58
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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.