Finding the Fourth Proportional to 602,712.14, 904,206.26 and 261,212.88
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Solution
The fourth proportional to 602,712.14, 904,206.26 and 261,212.88 is: 391,879.15
Step by Step Solution
- Step 1: Write the proportion equation
602,712.14 : 904,206.26 = 261,212.88 : x - Step 2: Convert to fraction form
602,712.14/904,206.26 = 261,212.88/x - Step 3: Cross multiply
602,712.14x = 904,206.26 × 261,212.88 - Step 4: Simplify right side
602,712.14x = 236,190,321,288.63 - Step 5: Solve for x
x = 236,190,321,288.63/602,712.14 - Step 6: Final answer
x = 391,879.15
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1.5x scale
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.