Finding the Fourth Proportional to 842,284.42, 1,162,352.62 and 479,742.04
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Solution
The fourth proportional to 842,284.42, 1,162,352.62 and 479,742.04 is: 662,044.08
Step by Step Solution
- Step 1: Write the proportion equation
842,284.42 : 1,162,352.62 = 479,742.04 : x - Step 2: Convert to fraction form
842,284.42/1,162,352.62 = 479,742.04/x - Step 3: Cross multiply
842,284.42x = 1,162,352.62 × 479,742.04 - Step 4: Simplify right side
842,284.42x = 557,629,417,118.15 - Step 5: Solve for x
x = 557,629,417,118.15/842,284.42 - Step 6: Final answer
x = 662,044.08
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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.