Finding the Fourth Proportional to 988,851, 1,483,201.98 and 314,905.08
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Solution
The fourth proportional to 988,851, 1,483,201.98 and 314,905.08 is: 472,333.89
Step by Step Solution
- Step 1: Write the proportion equation
988,851 : 1,483,201.98 = 314,905.08 : x - Step 2: Convert to fraction form
988,851/1,483,201.98 = 314,905.08/x - Step 3: Cross multiply
988,851x = 1,483,201.98 × 314,905.08 - Step 4: Simplify right side
988,851x = 467,067,838,168.06 - Step 5: Solve for x
x = 467,067,838,168.06/988,851 - Step 6: Final answer
x = 472,333.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.