Finding the Fourth Proportional to 657,040.98, 906,717.87 and 355,234.98
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Solution
The fourth proportional to 657,040.98, 906,717.87 and 355,234.98 is: 490,224.98
Step by Step Solution
- Step 1: Write the proportion equation
657,040.98 : 906,717.87 = 355,234.98 : x - Step 2: Convert to fraction form
657,040.98/906,717.87 = 355,234.98/x - Step 3: Cross multiply
657,040.98x = 906,717.87 × 355,234.98 - Step 4: Simplify right side
657,040.98x = 322,097,904,415.09 - Step 5: Solve for x
x = 322,097,904,415.09/657,040.98 - Step 6: Final answer
x = 490,224.98
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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.