Finding the Fourth Proportional to 748,331.63, 1,122,507.17 and 249,695.63
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Solution
The fourth proportional to 748,331.63, 1,122,507.17 and 249,695.63 is: 374,546.68
Step by Step Solution
- Step 1: Write the proportion equation
748,331.63 : 1,122,507.17 = 249,695.63 : x - Step 2: Convert to fraction form
748,331.63/1,122,507.17 = 249,695.63/x - Step 3: Cross multiply
748,331.63x = 1,122,507.17 × 249,695.63 - Step 4: Simplify right side
748,331.63x = 280,285,128,131.65 - Step 5: Solve for x
x = 280,285,128,131.65/748,331.63 - Step 6: Final answer
x = 374,546.68
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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.