Finding the Fourth Proportional to 999,645.99, 1,498,549.05 and 543,570.90
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Solution
The fourth proportional to 999,645.99, 1,498,549.05 and 543,570.90 is: 814,856.12
Step by Step Solution
- Step 1: Write the proportion equation
999,645.99 : 1,498,549.05 = 543,570.90 : x - Step 2: Convert to fraction form
999,645.99/1,498,549.05 = 543,570.90/x - Step 3: Cross multiply
999,645.99x = 1,498,549.05 × 543,570.90 - Step 4: Simplify right side
999,645.99x = 814,567,655,802.65 - Step 5: Solve for x
x = 814,567,655,802.65/999,645.99 - Step 6: Final answer
x = 814,856.12
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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.