Finding the Fourth Proportional to 697,947.09, 962,921.70 and 456,371.07
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Solution
The fourth proportional to 697,947.09, 962,921.70 and 456,371.07 is: 629,631.69
Step by Step Solution
- Step 1: Write the proportion equation
697,947.09 : 962,921.70 = 456,371.07 : x - Step 2: Convert to fraction form
697,947.09/962,921.70 = 456,371.07/x - Step 3: Cross multiply
697,947.09x = 962,921.70 × 456,371.07 - Step 4: Simplify right side
697,947.09x = 439,449,606,555.22 - Step 5: Solve for x
x = 439,449,606,555.22/697,947.09 - Step 6: Final answer
x = 629,631.69
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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.