Finding the Fourth Proportional to 741,801.92, 1,023,687.20 and 402,270.08
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Solution
The fourth proportional to 741,801.92, 1,023,687.20 and 402,270.08 is: 555,133.01
Step by Step Solution
- Step 1: Write the proportion equation
741,801.92 : 1,023,687.20 = 402,270.08 : x - Step 2: Convert to fraction form
741,801.92/1,023,687.20 = 402,270.08/x - Step 3: Cross multiply
741,801.92x = 1,023,687.20 × 402,270.08 - Step 4: Simplify right side
741,801.92x = 411,798,731,838.98 - Step 5: Solve for x
x = 411,798,731,838.98/741,801.92 - Step 6: Final answer
x = 555,133.01
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1.5x scale
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.