Finding the Fourth Proportional to 560,074.23, 772,881.84 and 305,419.95
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Solution
The fourth proportional to 560,074.23, 772,881.84 and 305,419.95 is: 421,468.30
Step by Step Solution
- Step 1: Write the proportion equation
560,074.23 : 772,881.84 = 305,419.95 : x - Step 2: Convert to fraction form
560,074.23/772,881.84 = 305,419.95/x - Step 3: Cross multiply
560,074.23x = 772,881.84 × 305,419.95 - Step 4: Simplify right side
560,074.23x = 236,053,532,928.71 - Step 5: Solve for x
x = 236,053,532,928.71/560,074.23 - Step 6: Final answer
x = 421,468.30
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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.