Finding the Fourth Proportional to 798,837.22, 1,102,389.76 and 436,261.19
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Solution
The fourth proportional to 798,837.22, 1,102,389.76 and 436,261.19 is: 602,037.38
Step by Step Solution
- Step 1: Write the proportion equation
798,837.22 : 1,102,389.76 = 436,261.19 : x - Step 2: Convert to fraction form
798,837.22/1,102,389.76 = 436,261.19/x - Step 3: Cross multiply
798,837.22x = 1,102,389.76 × 436,261.19 - Step 4: Simplify right side
798,837.22x = 480,929,868,541.41 - Step 5: Solve for x
x = 480,929,868,541.41/798,837.22 - Step 6: Final answer
x = 602,037.38
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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.