Finding the Fourth Proportional to 842,922.64, 1,163,233.20 and 460,949.68
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Solution
The fourth proportional to 842,922.64, 1,163,233.20 and 460,949.68 is: 636,110.53
Step by Step Solution
- Step 1: Write the proportion equation
842,922.64 : 1,163,233.20 = 460,949.68 : x - Step 2: Convert to fraction form
842,922.64/1,163,233.20 = 460,949.68/x - Step 3: Cross multiply
842,922.64x = 1,163,233.20 × 460,949.68 - Step 4: Simplify right side
842,922.64x = 536,191,971,305.38 - Step 5: Solve for x
x = 536,191,971,305.38/842,922.64 - Step 6: Final answer
x = 636,110.53
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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.