Finding the Fourth Proportional to 741,838.41, 1,023,792.09 and 415,184.20
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Solution
The fourth proportional to 741,838.41, 1,023,792.09 and 415,184.20 is: 572,985.02
Step by Step Solution
- Step 1: Write the proportion equation
741,838.41 : 1,023,792.09 = 415,184.20 : x - Step 2: Convert to fraction form
741,838.41/1,023,792.09 = 415,184.20/x - Step 3: Cross multiply
741,838.41x = 1,023,792.09 × 415,184.20 - Step 4: Simplify right side
741,838.41x = 425,062,299,852.98 - Step 5: Solve for x
x = 425,062,299,852.98/741,838.41 - Step 6: Final answer
x = 572,985.02
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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.