Finding the Fourth Proportional to 671,904.42, 927,220.14 and 365,979.84
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Solution
The fourth proportional to 671,904.42, 927,220.14 and 365,979.84 is: 505,047.84
Step by Step Solution
- Step 1: Write the proportion equation
671,904.42 : 927,220.14 = 365,979.84 : x - Step 2: Convert to fraction form
671,904.42/927,220.14 = 365,979.84/x - Step 3: Cross multiply
671,904.42x = 927,220.14 × 365,979.84 - Step 4: Simplify right side
671,904.42x = 339,343,878,481.98 - Step 5: Solve for x
x = 339,343,878,481.98/671,904.42 - Step 6: Final answer
x = 505,047.84
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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.