Finding the Fourth Proportional to 697,196.26, 962,130.84 and 395,390.26
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Solution
The fourth proportional to 697,196.26, 962,130.84 and 395,390.26 is: 545,638.56
Step by Step Solution
- Step 1: Write the proportion equation
697,196.26 : 962,130.84 = 395,390.26 : x - Step 2: Convert to fraction form
697,196.26/962,130.84 = 395,390.26/x - Step 3: Cross multiply
697,196.26x = 962,130.84 × 395,390.26 - Step 4: Simplify right side
697,196.26x = 380,417,162,981.62 - Step 5: Solve for x
x = 380,417,162,981.62/697,196.26 - Step 6: Final answer
x = 545,638.56
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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.