Finding the Fourth Proportional to 890,574.38, 1,332,708.19 and 553,773.65
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Solution
The fourth proportional to 890,574.38, 1,332,708.19 and 553,773.65 is: 828,699.64
Step by Step Solution
- Step 1: Write the proportion equation
890,574.38 : 1,332,708.19 = 553,773.65 : x - Step 2: Convert to fraction form
890,574.38/1,332,708.19 = 553,773.65/x - Step 3: Cross multiply
890,574.38x = 1,332,708.19 × 553,773.65 - Step 4: Simplify right side
890,574.38x = 738,018,670,713.22 - Step 5: Solve for x
x = 738,018,670,713.22/890,574.38 - Step 6: Final answer
x = 828,699.64
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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.