Finding the Fourth Proportional to 646,584.36, 892,285.88 and 374,809.65
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Solution
The fourth proportional to 646,584.36, 892,285.88 and 374,809.65 is: 517,237.00
Step by Step Solution
- Step 1: Write the proportion equation
646,584.36 : 892,285.88 = 374,809.65 : x - Step 2: Convert to fraction form
646,584.36/892,285.88 = 374,809.65/x - Step 3: Cross multiply
646,584.36x = 892,285.88 × 374,809.65 - Step 4: Simplify right side
646,584.36x = 334,437,353,162.62 - Step 5: Solve for x
x = 334,437,353,162.62/646,584.36 - Step 6: Final answer
x = 517,237.00
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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.