Finding the Fourth Proportional to 560,777.04, 774,884.10 and 399,351.84
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Solution
The fourth proportional to 560,777.04, 774,884.10 and 399,351.84 is: 551,826.07
Step by Step Solution
- Step 1: Write the proportion equation
560,777.04 : 774,884.10 = 399,351.84 : x - Step 2: Convert to fraction form
560,777.04/774,884.10 = 399,351.84/x - Step 3: Cross multiply
560,777.04x = 774,884.10 × 399,351.84 - Step 4: Simplify right side
560,777.04x = 309,451,391,121.74 - Step 5: Solve for x
x = 309,451,391,121.74/560,777.04 - Step 6: Final answer
x = 551,826.07
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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.