Finding the Fourth Proportional to 695,309.80, 1,042,964.70 and 537,845.80
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Solution
The fourth proportional to 695,309.80, 1,042,964.70 and 537,845.80 is: 806,768.70
Step by Step Solution
- Step 1: Write the proportion equation
695,309.80 : 1,042,964.70 = 537,845.80 : x - Step 2: Convert to fraction form
695,309.80/1,042,964.70 = 537,845.80/x - Step 3: Cross multiply
695,309.80x = 1,042,964.70 × 537,845.80 - Step 4: Simplify right side
695,309.80x = 560,954,183,443.26 - Step 5: Solve for x
x = 560,954,183,443.26/695,309.80 - Step 6: Final answer
x = 806,768.70
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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.