Finding the Fourth Proportional to 509,684.24, 703,406.76 and 283,350.80
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Solution
The fourth proportional to 509,684.24, 703,406.76 and 283,350.80 is: 391,047.74
Step by Step Solution
- Step 1: Write the proportion equation
509,684.24 : 703,406.76 = 283,350.80 : x - Step 2: Convert to fraction form
509,684.24/703,406.76 = 283,350.80/x - Step 3: Cross multiply
509,684.24x = 703,406.76 × 283,350.80 - Step 4: Simplify right side
509,684.24x = 199,310,868,171.41 - Step 5: Solve for x
x = 199,310,868,171.41/509,684.24 - Step 6: Final answer
x = 391,047.74
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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.