Finding the Fourth Proportional to 766,497.39, 1,057,434.02 and 456,225.99
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Solution
The fourth proportional to 766,497.39, 1,057,434.02 and 456,225.99 is: 629,394.03
Step by Step Solution
- Step 1: Write the proportion equation
766,497.39 : 1,057,434.02 = 456,225.99 : x - Step 2: Convert to fraction form
766,497.39/1,057,434.02 = 456,225.99/x - Step 3: Cross multiply
766,497.39x = 1,057,434.02 × 456,225.99 - Step 4: Simplify right side
766,497.39x = 482,428,878,098.52 - Step 5: Solve for x
x = 482,428,878,098.52/766,497.39 - Step 6: Final answer
x = 629,394.03
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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.