Finding the Fourth Proportional to 602,588.40, 831,624.60 and 330,708.78
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Solution
The fourth proportional to 602,588.40, 831,624.60 and 330,708.78 is: 456,406.99
Step by Step Solution
- Step 1: Write the proportion equation
602,588.40 : 831,624.60 = 330,708.78 : x - Step 2: Convert to fraction form
602,588.40/831,624.60 = 330,708.78/x - Step 3: Cross multiply
602,588.40x = 831,624.60 × 330,708.78 - Step 4: Simplify right side
602,588.40x = 275,025,556,883.99 - Step 5: Solve for x
x = 275,025,556,883.99/602,588.40 - Step 6: Final answer
x = 456,406.99
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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.