Finding the Fourth Proportional to 776,242.48, 1,070,860.62 and 561,041.68
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Solution
The fourth proportional to 776,242.48, 1,070,860.62 and 561,041.68 is: 773,981.66
Step by Step Solution
- Step 1: Write the proportion equation
776,242.48 : 1,070,860.62 = 561,041.68 : x - Step 2: Convert to fraction form
776,242.48/1,070,860.62 = 561,041.68/x - Step 3: Cross multiply
776,242.48x = 1,070,860.62 × 561,041.68 - Step 4: Simplify right side
776,242.48x = 600,797,441,290.64 - Step 5: Solve for x
x = 600,797,441,290.64/776,242.48 - Step 6: Final answer
x = 773,981.66
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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.