Finding the Fourth Proportional to 791,701.49, 1,187,558.72 and 518,378.14
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Solution
The fourth proportional to 791,701.49, 1,187,558.72 and 518,378.14 is: 777,571.46
Step by Step Solution
- Step 1: Write the proportion equation
791,701.49 : 1,187,558.72 = 518,378.14 : x - Step 2: Convert to fraction form
791,701.49/1,187,558.72 = 518,378.14/x - Step 3: Cross multiply
791,701.49x = 1,187,558.72 × 518,378.14 - Step 4: Simplify right side
791,701.49x = 615,604,476,788.83 - Step 5: Solve for x
x = 615,604,476,788.83/791,701.49 - Step 6: Final answer
x = 777,571.46
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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.