Finding the Fourth Proportional to 628,630.92, 867,898.26 and 432,731.88
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Solution
The fourth proportional to 628,630.92, 867,898.26 and 432,731.88 is: 597,436.80
Step by Step Solution
- Step 1: Write the proportion equation
628,630.92 : 867,898.26 = 432,731.88 : x - Step 2: Convert to fraction form
628,630.92/867,898.26 = 432,731.88/x - Step 3: Cross multiply
628,630.92x = 867,898.26 × 432,731.88 - Step 4: Simplify right side
628,630.92x = 375,567,245,698.53 - Step 5: Solve for x
x = 375,567,245,698.53/628,630.92 - Step 6: Final answer
x = 597,436.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.