Finding the Fourth Proportional to 518,266.69, 715,232.39 and 303,475.95
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Solution
The fourth proportional to 518,266.69, 715,232.39 and 303,475.95 is: 418,811.07
Step by Step Solution
- Step 1: Write the proportion equation
518,266.69 : 715,232.39 = 303,475.95 : x - Step 2: Convert to fraction form
518,266.69/715,232.39 = 303,475.95/x - Step 3: Cross multiply
518,266.69x = 715,232.39 × 303,475.95 - Step 4: Simplify right side
518,266.69x = 217,055,829,026.02 - Step 5: Solve for x
x = 217,055,829,026.02/518,266.69 - Step 6: Final answer
x = 418,811.07
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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.