Finding the Fourth Proportional to 927,729.80, 1,391,594.70 and 554,481.80
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Solution
The fourth proportional to 927,729.80, 1,391,594.70 and 554,481.80 is: 831,722.70
Step by Step Solution
- Step 1: Write the proportion equation
927,729.80 : 1,391,594.70 = 554,481.80 : x - Step 2: Convert to fraction form
927,729.80/1,391,594.70 = 554,481.80/x - Step 3: Cross multiply
927,729.80x = 1,391,594.70 × 554,481.80 - Step 4: Simplify right side
927,729.80x = 771,613,934,126.46 - Step 5: Solve for x
x = 771,613,934,126.46/927,729.80 - Step 6: Final answer
x = 831,722.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.