Finding the Fourth Proportional to 868,532.37, 1,302,548.94 and 299,765.76
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Solution
The fourth proportional to 868,532.37, 1,302,548.94 and 299,765.76 is: 449,562.49
Step by Step Solution
- Step 1: Write the proportion equation
868,532.37 : 1,302,548.94 = 299,765.76 : x - Step 2: Convert to fraction form
868,532.37/1,302,548.94 = 299,765.76/x - Step 3: Cross multiply
868,532.37x = 1,302,548.94 × 299,765.76 - Step 4: Simplify right side
868,532.37x = 390,459,572,936.29 - Step 5: Solve for x
x = 390,459,572,936.29/868,532.37 - Step 6: Final answer
x = 449,562.49
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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.