Finding the Fourth Proportional to 654,716.36, 903,373.08 and 382,731.68
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Solution
The fourth proportional to 654,716.36, 903,373.08 and 382,731.68 is: 528,090.51
Step by Step Solution
- Step 1: Write the proportion equation
654,716.36 : 903,373.08 = 382,731.68 : x - Step 2: Convert to fraction form
654,716.36/903,373.08 = 382,731.68/x - Step 3: Cross multiply
654,716.36x = 903,373.08 × 382,731.68 - Step 4: Simplify right side
654,716.36x = 345,749,496,575.17 - Step 5: Solve for x
x = 345,749,496,575.17/654,716.36 - Step 6: Final answer
x = 528,090.51
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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.