Finding the Fourth Proportional to 842,297.90, 1,162,368.48 and 460,324.70
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Solution
The fourth proportional to 842,297.90, 1,162,368.48 and 460,324.70 is: 635,246.65
Step by Step Solution
- Step 1: Write the proportion equation
842,297.90 : 1,162,368.48 = 460,324.70 : x - Step 2: Convert to fraction form
842,297.90/1,162,368.48 = 460,324.70/x - Step 3: Cross multiply
842,297.90x = 1,162,368.48 × 460,324.70 - Step 4: Simplify right side
842,297.90x = 535,066,921,845.46 - Step 5: Solve for x
x = 535,066,921,845.46/842,297.90 - Step 6: Final answer
x = 635,246.65
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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.