Finding the Fourth Proportional to 817,312.88, 1,225,956.99 and 367,716.26
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Solution
The fourth proportional to 817,312.88, 1,225,956.99 and 367,716.26 is: 551,568.84
Step by Step Solution
- Step 1: Write the proportion equation
817,312.88 : 1,225,956.99 = 367,716.26 : x - Step 2: Convert to fraction form
817,312.88/1,225,956.99 = 367,716.26/x - Step 3: Cross multiply
817,312.88x = 1,225,956.99 × 367,716.26 - Step 4: Simplify right side
817,312.88x = 450,804,313,153.87 - Step 5: Solve for x
x = 450,804,313,153.87/817,312.88 - Step 6: Final answer
x = 551,568.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.