Finding the Fourth Proportional to 741,548.48, 1,023,344.93 and 435,637.76
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Solution
The fourth proportional to 741,548.48, 1,023,344.93 and 435,637.76 is: 601,184.82
Step by Step Solution
- Step 1: Write the proportion equation
741,548.48 : 1,023,344.93 = 435,637.76 : x - Step 2: Convert to fraction form
741,548.48/1,023,344.93 = 435,637.76/x - Step 3: Cross multiply
741,548.48x = 1,023,344.93 × 435,637.76 - Step 4: Simplify right side
741,548.48x = 445,807,687,360.91 - Step 5: Solve for x
x = 445,807,687,360.91/741,548.48 - Step 6: Final answer
x = 601,184.82
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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.