Finding the Fourth Proportional to 509,489.54, 703,039.74 and 294,597.08
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Solution
The fourth proportional to 509,489.54, 703,039.74 and 294,597.08 is: 406,511.69
Step by Step Solution
- Step 1: Write the proportion equation
509,489.54 : 703,039.74 = 294,597.08 : x - Step 2: Convert to fraction form
509,489.54/703,039.74 = 294,597.08/x - Step 3: Cross multiply
509,489.54x = 703,039.74 × 294,597.08 - Step 4: Simplify right side
509,489.54x = 207,113,454,527.96 - Step 5: Solve for x
x = 207,113,454,527.96/509,489.54 - Step 6: Final answer
x = 406,511.69
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1.5x scale
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.