Finding the Fourth Proportional to 633,326.92, 873,971.58 and 346,839.64
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Solution
The fourth proportional to 633,326.92, 873,971.58 and 346,839.64 is: 478,627.99
Step by Step Solution
- Step 1: Write the proportion equation
633,326.92 : 873,971.58 = 346,839.64 : x - Step 2: Convert to fraction form
633,326.92/873,971.58 = 346,839.64/x - Step 3: Cross multiply
633,326.92x = 873,971.58 × 346,839.64 - Step 4: Simplify right side
633,326.92x = 303,127,988,177.43 - Step 5: Solve for x
x = 303,127,988,177.43/633,326.92 - Step 6: Final answer
x = 478,627.99
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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.