Finding the Fourth Proportional to 929,988.24, 1,391,797.20 and 645,999
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Solution
The fourth proportional to 929,988.24, 1,391,797.20 and 645,999 is: 966,785.99
Step by Step Solution
- Step 1: Write the proportion equation
929,988.24 : 1,391,797.20 = 645,999 : x - Step 2: Convert to fraction form
929,988.24/1,391,797.20 = 645,999/x - Step 3: Cross multiply
929,988.24x = 1,391,797.20 × 645,999 - Step 4: Simplify right side
929,988.24x = 899,099,599,402.80 - Step 5: Solve for x
x = 899,099,599,402.80/929,988.24 - Step 6: Final answer
x = 966,785.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.