Finding the Fourth Proportional to 888,393.12, 1,332,609.12 and 356,164.80
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Solution
The fourth proportional to 888,393.12, 1,332,609.12 and 356,164.80 is: 534,254.99
Step by Step Solution
- Step 1: Write the proportion equation
888,393.12 : 1,332,609.12 = 356,164.80 : x - Step 2: Convert to fraction form
888,393.12/1,332,609.12 = 356,164.80/x - Step 3: Cross multiply
888,393.12x = 1,332,609.12 × 356,164.80 - Step 4: Simplify right side
888,393.12x = 474,628,460,702.98 - Step 5: Solve for x
x = 474,628,460,702.98/888,393.12 - Step 6: Final answer
x = 534,254.99
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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.