Finding the Fourth Proportional to 842,267.74, 1,263,263.20 and 302,412.26
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Solution
The fourth proportional to 842,267.74, 1,263,263.20 and 302,412.26 is: 453,568.69
Step by Step Solution
- Step 1: Write the proportion equation
842,267.74 : 1,263,263.20 = 302,412.26 : x - Step 2: Convert to fraction form
842,267.74/1,263,263.20 = 302,412.26/x - Step 3: Cross multiply
842,267.74x = 1,263,263.20 × 302,412.26 - Step 4: Simplify right side
842,267.74x = 382,026,275,372.64 - Step 5: Solve for x
x = 382,026,275,372.64/842,267.74 - Step 6: Final answer
x = 453,568.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.