Finding the Fourth Proportional to 849,739.76, 1,170,407.06 and 653,130.26
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Solution
The fourth proportional to 849,739.76, 1,170,407.06 and 653,130.26 is: 899,602.80
Step by Step Solution
- Step 1: Write the proportion equation
849,739.76 : 1,170,407.06 = 653,130.26 : x - Step 2: Convert to fraction form
849,739.76/1,170,407.06 = 653,130.26/x - Step 3: Cross multiply
849,739.76x = 1,170,407.06 × 653,130.26 - Step 4: Simplify right side
849,739.76x = 764,428,267,403.64 - Step 5: Solve for x
x = 764,428,267,403.64/849,739.76 - Step 6: Final answer
x = 899,602.80
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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.