Finding the Fourth Proportional to 697,195.75, 962,130.15 and 395,389.75
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Solution
The fourth proportional to 697,195.75, 962,130.15 and 395,389.75 is: 545,637.86
Step by Step Solution
- Step 1: Write the proportion equation
697,195.75 : 962,130.15 = 395,389.75 : x - Step 2: Convert to fraction form
697,195.75/962,130.15 = 395,389.75/x - Step 3: Cross multiply
697,195.75x = 962,130.15 × 395,389.75 - Step 4: Simplify right side
697,195.75x = 380,416,399,475.96 - Step 5: Solve for x
x = 380,416,399,475.96/697,195.75 - Step 6: Final answer
x = 545,637.86
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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.