Finding the Fourth Proportional to 726,076.52, 1,001,842.08 and 439,623.08
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Solution
The fourth proportional to 726,076.52, 1,001,842.08 and 439,623.08 is: 606,592.95
Step by Step Solution
- Step 1: Write the proportion equation
726,076.52 : 1,001,842.08 = 439,623.08 : x - Step 2: Convert to fraction form
726,076.52/1,001,842.08 = 439,623.08/x - Step 3: Cross multiply
726,076.52x = 1,001,842.08 × 439,623.08 - Step 4: Simplify right side
726,076.52x = 440,432,900,883.21 - Step 5: Solve for x
x = 440,432,900,883.21/726,076.52 - Step 6: Final answer
x = 606,592.95
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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.