Finding the Fourth Proportional to 828,844.44, 1,143,803.64 and 466,268.55
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Solution
The fourth proportional to 828,844.44, 1,143,803.64 and 466,268.55 is: 643,449.65
Step by Step Solution
- Step 1: Write the proportion equation
828,844.44 : 1,143,803.64 = 466,268.55 : x - Step 2: Convert to fraction form
828,844.44/1,143,803.64 = 466,268.55/x - Step 3: Cross multiply
828,844.44x = 1,143,803.64 × 466,268.55 - Step 4: Simplify right side
828,844.44x = 533,319,664,707.52 - Step 5: Solve for x
x = 533,319,664,707.52/828,844.44 - Step 6: Final answer
x = 643,449.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.