Finding the Fourth Proportional to 509,815.09, 703,465.99 and 294,975.19
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Solution
The fourth proportional to 509,815.09, 703,465.99 and 294,975.19 is: 407,020.15
Step by Step Solution
- Step 1: Write the proportion equation
509,815.09 : 703,465.99 = 294,975.19 : x - Step 2: Convert to fraction form
509,815.09/703,465.99 = 294,975.19/x - Step 3: Cross multiply
509,815.09x = 703,465.99 × 294,975.19 - Step 4: Simplify right side
509,815.09x = 207,505,014,058.79 - Step 5: Solve for x
x = 207,505,014,058.79/509,815.09 - Step 6: Final answer
x = 407,020.15
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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.