Finding the Fourth Proportional to 842,430.12, 1,263,866.76 and 302,740.92
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Solution
The fourth proportional to 842,430.12, 1,263,866.76 and 302,740.92 is: 454,191.01
Step by Step Solution
- Step 1: Write the proportion equation
842,430.12 : 1,263,866.76 = 302,740.92 : x - Step 2: Convert to fraction form
842,430.12/1,263,866.76 = 302,740.92/x - Step 3: Cross multiply
842,430.12x = 1,263,866.76 × 302,740.92 - Step 4: Simplify right side
842,430.12x = 382,624,185,679.82 - Step 5: Solve for x
x = 382,624,185,679.82/842,430.12 - Step 6: Final answer
x = 454,191.01
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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.