Finding the Fourth Proportional to 566,021.70, 781,130.21 and 324,350.94
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Solution
The fourth proportional to 566,021.70, 781,130.21 and 324,350.94 is: 447,615.91
Step by Step Solution
- Step 1: Write the proportion equation
566,021.70 : 781,130.21 = 324,350.94 : x - Step 2: Convert to fraction form
566,021.70/781,130.21 = 324,350.94/x - Step 3: Cross multiply
566,021.70x = 781,130.21 × 324,350.94 - Step 4: Simplify right side
566,021.70x = 253,360,316,254.14 - Step 5: Solve for x
x = 253,360,316,254.14/566,021.70 - Step 6: Final answer
x = 447,615.91
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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.