Finding the Fourth Proportional to 842,394.74, 1,162,464.62 and 460,421.82
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Solution
The fourth proportional to 842,394.74, 1,162,464.62 and 460,421.82 is: 635,360.18
Step by Step Solution
- Step 1: Write the proportion equation
842,394.74 : 1,162,464.62 = 460,421.82 : x - Step 2: Convert to fraction form
842,394.74/1,162,464.62 = 460,421.82/x - Step 3: Cross multiply
842,394.74x = 1,162,464.62 × 460,421.82 - Step 4: Simplify right side
842,394.74x = 535,224,073,723.90 - Step 5: Solve for x
x = 535,224,073,723.90/842,394.74 - Step 6: Final answer
x = 635,360.18
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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.