Finding the Fourth Proportional to 814,119.26, 1,122,749.30 and 508,223.87
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Solution
The fourth proportional to 814,119.26, 1,122,749.30 and 508,223.87 is: 700,889.94
Step by Step Solution
- Step 1: Write the proportion equation
814,119.26 : 1,122,749.30 = 508,223.87 : x - Step 2: Convert to fraction form
814,119.26/1,122,749.30 = 508,223.87/x - Step 3: Cross multiply
814,119.26x = 1,122,749.30 × 508,223.87 - Step 4: Simplify right side
814,119.26x = 570,607,994,152.91 - Step 5: Solve for x
x = 570,607,994,152.91/814,119.26 - Step 6: Final answer
x = 700,889.94
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1.5x scale
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.