Finding the Fourth Proportional to 883,048.80, 1,218,620.09 and 495,947.98
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Solution
The fourth proportional to 883,048.80, 1,218,620.09 and 495,947.98 is: 684,415.37
Step by Step Solution
- Step 1: Write the proportion equation
883,048.80 : 1,218,620.09 = 495,947.98 : x - Step 2: Convert to fraction form
883,048.80/1,218,620.09 = 495,947.98/x - Step 3: Cross multiply
883,048.80x = 1,218,620.09 × 495,947.98 - Step 4: Simplify right side
883,048.80x = 604,372,174,786.06 - Step 5: Solve for x
x = 604,372,174,786.06/883,048.80 - Step 6: Final answer
x = 684,415.37
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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.