Finding the Fourth Proportional to 906,564.23, 1,250,968.99 and 519,305.30
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Solution
The fourth proportional to 906,564.23, 1,250,968.99 and 519,305.30 is: 716,589.96
Step by Step Solution
- Step 1: Write the proportion equation
906,564.23 : 1,250,968.99 = 519,305.30 : x - Step 2: Convert to fraction form
906,564.23/1,250,968.99 = 519,305.30/x - Step 3: Cross multiply
906,564.23x = 1,250,968.99 × 519,305.30 - Step 4: Simplify right side
906,564.23x = 649,634,824,046.12 - Step 5: Solve for x
x = 649,634,824,046.12/906,564.23 - Step 6: Final answer
x = 716,589.96
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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.