Finding the Fourth Proportional to 751,078.05, 1,121,153.52 and 695,571.99
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Solution
The fourth proportional to 751,078.05, 1,121,153.52 and 695,571.99 is: 1,038,298.20
Step by Step Solution
- Step 1: Write the proportion equation
751,078.05 : 1,121,153.52 = 695,571.99 : x - Step 2: Convert to fraction form
751,078.05/1,121,153.52 = 695,571.99/x - Step 3: Cross multiply
751,078.05x = 1,121,153.52 × 695,571.99 - Step 4: Simplify right side
751,078.05x = 779,842,985,001.91 - Step 5: Solve for x
x = 779,842,985,001.91/751,078.05 - Step 6: Final answer
x = 1,038,298.20
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.