Finding the Fourth Proportional to 713,830.24, 986,242.80 and 607,523.68
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Solution
The fourth proportional to 713,830.24, 986,242.80 and 607,523.68 is: 839,367.43
Step by Step Solution
- Step 1: Write the proportion equation
713,830.24 : 986,242.80 = 607,523.68 : x - Step 2: Convert to fraction form
713,830.24/986,242.80 = 607,523.68/x - Step 3: Cross multiply
713,830.24x = 986,242.80 × 607,523.68 - Step 4: Simplify right side
713,830.24x = 599,165,855,229.50 - Step 5: Solve for x
x = 599,165,855,229.50/713,830.24 - Step 6: Final answer
x = 839,367.43
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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.