Finding the Fourth Proportional to 862,445.50, 1,292,238.12 and 524,463.80
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Solution
The fourth proportional to 862,445.50, 1,292,238.12 and 524,463.80 is: 785,826.02
Step by Step Solution
- Step 1: Write the proportion equation
862,445.50 : 1,292,238.12 = 524,463.80 : x - Step 2: Convert to fraction form
862,445.50/1,292,238.12 = 524,463.80/x - Step 3: Cross multiply
862,445.50x = 1,292,238.12 × 524,463.80 - Step 4: Simplify right side
862,445.50x = 677,732,114,920.06 - Step 5: Solve for x
x = 677,732,114,920.06/862,445.50 - Step 6: Final answer
x = 785,826.02
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1.5x scale
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.