Finding the Fourth Proportional to 540,110.79, 745,367.94 and 298,408.95
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Solution
The fourth proportional to 540,110.79, 745,367.94 and 298,408.95 is: 411,812.67
Step by Step Solution
- Step 1: Write the proportion equation
540,110.79 : 745,367.94 = 298,408.95 : x - Step 2: Convert to fraction form
540,110.79/745,367.94 = 298,408.95/x - Step 3: Cross multiply
540,110.79x = 745,367.94 × 298,408.95 - Step 4: Simplify right side
540,110.79x = 222,424,464,339.06 - Step 5: Solve for x
x = 222,424,464,339.06/540,110.79 - Step 6: Final answer
x = 411,812.67
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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.