Finding the Fourth Proportional to 772,034.99, 1,065,450.77 and 427,863.75
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Solution
The fourth proportional to 772,034.99, 1,065,450.77 and 427,863.75 is: 590,475.52
Step by Step Solution
- Step 1: Write the proportion equation
772,034.99 : 1,065,450.77 = 427,863.75 : x - Step 2: Convert to fraction form
772,034.99/1,065,450.77 = 427,863.75/x - Step 3: Cross multiply
772,034.99x = 1,065,450.77 × 427,863.75 - Step 4: Simplify right side
772,034.99x = 455,867,759,753.27 - Step 5: Solve for x
x = 455,867,759,753.27/772,034.99 - Step 6: Final answer
x = 590,475.52
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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.