Finding the Fourth Proportional to 658,951.36, 909,346.08 and 368,559.84
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Solution
The fourth proportional to 658,951.36, 909,346.08 and 368,559.84 is: 508,608.78
Step by Step Solution
- Step 1: Write the proportion equation
658,951.36 : 909,346.08 = 368,559.84 : x - Step 2: Convert to fraction form
658,951.36/909,346.08 = 368,559.84/x - Step 3: Cross multiply
658,951.36x = 909,346.08 × 368,559.84 - Step 4: Simplify right side
658,951.36x = 335,148,445,749.43 - Step 5: Solve for x
x = 335,148,445,749.43/658,951.36 - Step 6: Final answer
x = 508,608.78
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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.