Finding the Fourth Proportional to 842,949.64, 1,163,270.46 and 460,976.68
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Solution
The fourth proportional to 842,949.64, 1,163,270.46 and 460,976.68 is: 636,147.79
Step by Step Solution
- Step 1: Write the proportion equation
842,949.64 : 1,163,270.46 = 460,976.68 : x - Step 2: Convert to fraction form
842,949.64/1,163,270.46 = 460,976.68/x - Step 3: Cross multiply
842,949.64x = 1,163,270.46 × 460,976.68 - Step 4: Simplify right side
842,949.64x = 536,240,554,592.87 - Step 5: Solve for x
x = 536,240,554,592.87/842,949.64 - Step 6: Final answer
x = 636,147.79
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.