Finding the Fourth Proportional to 914,445.99, 1,261,945.56 and 506,554.08
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Solution
The fourth proportional to 914,445.99, 1,261,945.56 and 506,554.08 is: 699,050.22
Step by Step Solution
- Step 1: Write the proportion equation
914,445.99 : 1,261,945.56 = 506,554.08 : x - Step 2: Convert to fraction form
914,445.99/1,261,945.56 = 506,554.08/x - Step 3: Cross multiply
914,445.99x = 1,261,945.56 × 506,554.08 - Step 4: Simplify right side
914,445.99x = 639,243,672,155.89 - Step 5: Solve for x
x = 639,243,672,155.89/914,445.99 - Step 6: Final answer
x = 699,050.22
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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.