Finding the Fourth Proportional to 867,749.01, 1,197,493.64 and 528,217.26
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Solution
The fourth proportional to 867,749.01, 1,197,493.64 and 528,217.26 is: 728,939.82
Step by Step Solution
- Step 1: Write the proportion equation
867,749.01 : 1,197,493.64 = 528,217.26 : x - Step 2: Convert to fraction form
867,749.01/1,197,493.64 = 528,217.26/x - Step 3: Cross multiply
867,749.01x = 1,197,493.64 × 528,217.26 - Step 4: Simplify right side
867,749.01x = 632,536,809,388.23 - Step 5: Solve for x
x = 632,536,809,388.23/867,749.01 - Step 6: Final answer
x = 728,939.82
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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.