Finding the Fourth Proportional to 828,519.44, 1,143,345.98 and 465,943.19
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Solution
The fourth proportional to 828,519.44, 1,143,345.98 and 465,943.19 is: 642,995.50
Step by Step Solution
- Step 1: Write the proportion equation
828,519.44 : 1,143,345.98 = 465,943.19 : x - Step 2: Convert to fraction form
828,519.44/1,143,345.98 = 465,943.19/x - Step 3: Cross multiply
828,519.44x = 1,143,345.98 × 465,943.19 - Step 4: Simplify right side
828,519.44x = 532,734,268,643.00 - Step 5: Solve for x
x = 532,734,268,643.00/828,519.44 - Step 6: Final answer
x = 642,995.50
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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.