Finding the Fourth Proportional to 626,277.42, 864,268.38 and 339,803.19
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Solution
The fourth proportional to 626,277.42, 864,268.38 and 339,803.19 is: 468,931.41
Step by Step Solution
- Step 1: Write the proportion equation
626,277.42 : 864,268.38 = 339,803.19 : x - Step 2: Convert to fraction form
626,277.42/864,268.38 = 339,803.19/x - Step 3: Cross multiply
626,277.42x = 864,268.38 × 339,803.19 - Step 4: Simplify right side
626,277.42x = 293,681,152,540.13 - Step 5: Solve for x
x = 293,681,152,540.13/626,277.42 - Step 6: Final answer
x = 468,931.41
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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.