Finding the Fourth Proportional to 626,473.67, 864,534.35 and 339,993.95
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Solution
The fourth proportional to 626,473.67, 864,534.35 and 339,993.95 is: 469,192.02
Step by Step Solution
- Step 1: Write the proportion equation
626,473.67 : 864,534.35 = 339,993.95 : x - Step 2: Convert to fraction form
626,473.67/864,534.35 = 339,993.95/x - Step 3: Cross multiply
626,473.67x = 864,534.35 × 339,993.95 - Step 4: Simplify right side
626,473.67x = 293,936,446,867.21 - Step 5: Solve for x
x = 293,936,446,867.21/626,473.67 - Step 6: Final answer
x = 469,192.02
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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.