Finding the Fourth Proportional to 817,450.84, 1,226,383.62 and 256,490.20
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Solution
The fourth proportional to 817,450.84, 1,226,383.62 and 256,490.20 is: 384,800.36
Step by Step Solution
- Step 1: Write the proportion equation
817,450.84 : 1,226,383.62 = 256,490.20 : x - Step 2: Convert to fraction form
817,450.84/1,226,383.62 = 256,490.20/x - Step 3: Cross multiply
817,450.84x = 1,226,383.62 × 256,490.20 - Step 4: Simplify right side
817,450.84x = 314,555,379,970.52 - Step 5: Solve for x
x = 314,555,379,970.52/817,450.84 - Step 6: Final answer
x = 384,800.36
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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.