Finding the Fourth Proportional to 772,322.74, 1,065,795.09 and 432,797.62
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Solution
The fourth proportional to 772,322.74, 1,065,795.09 and 432,797.62 is: 597,254.95
Step by Step Solution
- Step 1: Write the proportion equation
772,322.74 : 1,065,795.09 = 432,797.62 : x - Step 2: Convert to fraction form
772,322.74/1,065,795.09 = 432,797.62/x - Step 3: Cross multiply
772,322.74x = 1,065,795.09 × 432,797.62 - Step 4: Simplify right side
772,322.74x = 461,273,578,359.69 - Step 5: Solve for x
x = 461,273,578,359.69/772,322.74 - Step 6: Final answer
x = 597,254.95
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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.