Finding the Fourth Proportional to 894,311.36, 1,234,716 and 555,139.52
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Solution
The fourth proportional to 894,311.36, 1,234,716 and 555,139.52 is: 766,444.08
Step by Step Solution
- Step 1: Write the proportion equation
894,311.36 : 1,234,716 = 555,139.52 : x - Step 2: Convert to fraction form
894,311.36/1,234,716 = 555,139.52/x - Step 3: Cross multiply
894,311.36x = 1,234,716 × 555,139.52 - Step 4: Simplify right side
894,311.36x = 685,439,647,576.32 - Step 5: Solve for x
x = 685,439,647,576.32/894,311.36 - Step 6: Final answer
x = 766,444.08
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1.5x scale
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.