Finding the Fourth Proportional to 702,917.79, 970,031.19 and 380,627.88
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Solution
The fourth proportional to 702,917.79, 970,031.19 and 380,627.88 is: 525,268.99
Step by Step Solution
- Step 1: Write the proportion equation
702,917.79 : 970,031.19 = 380,627.88 : x - Step 2: Convert to fraction form
702,917.79/970,031.19 = 380,627.88/x - Step 3: Cross multiply
702,917.79x = 970,031.19 × 380,627.88 - Step 4: Simplify right side
702,917.79x = 369,220,915,383.58 - Step 5: Solve for x
x = 369,220,915,383.58/702,917.79 - Step 6: Final answer
x = 525,268.99
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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.