Finding the Fourth Proportional to 828,576.18, 1,143,263.70 and 484,345.62
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Solution
The fourth proportional to 828,576.18, 1,143,263.70 and 484,345.62 is: 668,296.75
Step by Step Solution
- Step 1: Write the proportion equation
828,576.18 : 1,143,263.70 = 484,345.62 : x - Step 2: Convert to fraction form
828,576.18/1,143,263.70 = 484,345.62/x - Step 3: Cross multiply
828,576.18x = 1,143,263.70 × 484,345.62 - Step 4: Simplify right side
828,576.18x = 553,734,765,599.99 - Step 5: Solve for x
x = 553,734,765,599.99/828,576.18 - Step 6: Final answer
x = 668,296.75
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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.