Finding the Fourth Proportional to 798,746.68, 1,102,261.80 and 436,169.44
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Solution
The fourth proportional to 798,746.68, 1,102,261.80 and 436,169.44 is: 601,909.12
Step by Step Solution
- Step 1: Write the proportion equation
798,746.68 : 1,102,261.80 = 436,169.44 : x - Step 2: Convert to fraction form
798,746.68/1,102,261.80 = 436,169.44/x - Step 3: Cross multiply
798,746.68x = 1,102,261.80 × 436,169.44 - Step 4: Simplify right side
798,746.68x = 480,772,912,039.39 - Step 5: Solve for x
x = 480,772,912,039.39/798,746.68 - Step 6: Final answer
x = 601,909.12
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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.