Finding the Fourth Proportional to 744,646.69, 1,027,580.01 and 413,481.99
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Solution
The fourth proportional to 744,646.69, 1,027,580.01 and 413,481.99 is: 570,587.14
Step by Step Solution
- Step 1: Write the proportion equation
744,646.69 : 1,027,580.01 = 413,481.99 : x - Step 2: Convert to fraction form
744,646.69/1,027,580.01 = 413,481.99/x - Step 3: Cross multiply
744,646.69x = 1,027,580.01 × 413,481.99 - Step 4: Simplify right side
744,646.69x = 424,885,827,419.02 - Step 5: Solve for x
x = 424,885,827,419.02/744,646.69 - Step 6: Final answer
x = 570,587.14
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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.