Finding the Fourth Proportional to 920,044.80, 1,269,604.80 and 538,048.80
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Solution
The fourth proportional to 920,044.80, 1,269,604.80 and 538,048.80 is: 742,474.00
Step by Step Solution
- Step 1: Write the proportion equation
920,044.80 : 1,269,604.80 = 538,048.80 : x - Step 2: Convert to fraction form
920,044.80/1,269,604.80 = 538,048.80/x - Step 3: Cross multiply
920,044.80x = 1,269,604.80 × 538,048.80 - Step 4: Simplify right side
920,044.80x = 683,109,339,114.24 - Step 5: Solve for x
x = 683,109,339,114.24/920,044.80 - Step 6: Final answer
x = 742,474.00
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1.5x scale
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.