Finding the Fourth Proportional to 658,869.84, 909,240.24 and 357,063.84
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Solution
The fourth proportional to 658,869.84, 909,240.24 and 357,063.84 is: 492,748.02
Step by Step Solution
- Step 1: Write the proportion equation
658,869.84 : 909,240.24 = 357,063.84 : x - Step 2: Convert to fraction form
658,869.84/909,240.24 = 357,063.84/x - Step 3: Cross multiply
658,869.84x = 909,240.24 × 357,063.84 - Step 4: Simplify right side
658,869.84x = 324,656,811,576.92 - Step 5: Solve for x
x = 324,656,811,576.92/658,869.84 - Step 6: Final answer
x = 492,748.02
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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.