Finding the Fourth Proportional to 800,577.74, 1,104,616.58 and 478,224.92
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Solution
The fourth proportional to 800,577.74, 1,104,616.58 and 478,224.92 is: 659,842.45
Step by Step Solution
- Step 1: Write the proportion equation
800,577.74 : 1,104,616.58 = 478,224.92 : x - Step 2: Convert to fraction form
800,577.74/1,104,616.58 = 478,224.92/x - Step 3: Cross multiply
800,577.74x = 1,104,616.58 × 478,224.92 - Step 4: Simplify right side
800,577.74x = 528,255,175,601.17 - Step 5: Solve for x
x = 528,255,175,601.17/800,577.74 - Step 6: Final answer
x = 659,842.45
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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.