Finding the Fourth Proportional to 855,637.24, 1,180,793.30 and 468,446.12
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Solution
The fourth proportional to 855,637.24, 1,180,793.30 and 468,446.12 is: 646,463.26
Step by Step Solution
- Step 1: Write the proportion equation
855,637.24 : 1,180,793.30 = 468,446.12 : x - Step 2: Convert to fraction form
855,637.24/1,180,793.30 = 468,446.12/x - Step 3: Cross multiply
855,637.24x = 1,180,793.30 × 468,446.12 - Step 4: Simplify right side
855,637.24x = 553,138,039,907.00 - Step 5: Solve for x
x = 553,138,039,907.00/855,637.24 - Step 6: Final answer
x = 646,463.26
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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.