Finding the Fourth Proportional to 692,928, 956,240.64 and 374,976
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Solution
The fourth proportional to 692,928, 956,240.64 and 374,976 is: 517,466.88
Step by Step Solution
- Step 1: Write the proportion equation
692,928 : 956,240.64 = 374,976 : x - Step 2: Convert to fraction form
692,928/956,240.64 = 374,976/x - Step 3: Cross multiply
692,928x = 956,240.64 × 374,976 - Step 4: Simplify right side
692,928x = 358,567,290,224.64 - Step 5: Solve for x
x = 358,567,290,224.64/692,928 - Step 6: Final answer
x = 517,466.88
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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.