Finding the Fourth Proportional to 674,430.48, 930,686.36 and 368,517.36
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Solution
The fourth proportional to 674,430.48, 930,686.36 and 368,517.36 is: 508,538.82
Step by Step Solution
- Step 1: Write the proportion equation
674,430.48 : 930,686.36 = 368,517.36 : x - Step 2: Convert to fraction form
674,430.48/930,686.36 = 368,517.36/x - Step 3: Cross multiply
674,430.48x = 930,686.36 × 368,517.36 - Step 4: Simplify right side
674,430.48x = 342,974,077,236.49 - Step 5: Solve for x
x = 342,974,077,236.49/674,430.48 - Step 6: Final answer
x = 508,538.82
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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.