Finding the Fourth Proportional to 753,810.83, 1,130,828.33 and 248,278.49
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Solution
The fourth proportional to 753,810.83, 1,130,828.33 and 248,278.49 is: 372,454.65
Step by Step Solution
- Step 1: Write the proportion equation
753,810.83 : 1,130,828.33 = 248,278.49 : x - Step 2: Convert to fraction form
753,810.83/1,130,828.33 = 248,278.49/x - Step 3: Cross multiply
753,810.83x = 1,130,828.33 × 248,278.49 - Step 4: Simplify right side
753,810.83x = 280,760,343,326.09 - Step 5: Solve for x
x = 280,760,343,326.09/753,810.83 - Step 6: Final answer
x = 372,454.65
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1.5x scale
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.