Finding the Fourth Proportional to 828,799.62, 1,143,844.74 and 466,238.76
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Solution
The fourth proportional to 828,799.62, 1,143,844.74 and 466,238.76 is: 643,466.45
Step by Step Solution
- Step 1: Write the proportion equation
828,799.62 : 1,143,844.74 = 466,238.76 : x - Step 2: Convert to fraction form
828,799.62/1,143,844.74 = 466,238.76/x - Step 3: Cross multiply
828,799.62x = 1,143,844.74 × 466,238.76 - Step 4: Simplify right side
828,799.62x = 533,304,753,210.12 - Step 5: Solve for x
x = 533,304,753,210.12/828,799.62 - Step 6: Final answer
x = 643,466.45
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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.