Finding the Fourth Proportional to 925,048.08, 1,387,551.96 and 426,412.08
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Solution
The fourth proportional to 925,048.08, 1,387,551.96 and 426,412.08 is: 639,608.83
Step by Step Solution
- Step 1: Write the proportion equation
925,048.08 : 1,387,551.96 = 426,412.08 : x - Step 2: Convert to fraction form
925,048.08/1,387,551.96 = 426,412.08/x - Step 3: Cross multiply
925,048.08x = 1,387,551.96 × 426,412.08 - Step 4: Simplify right side
925,048.08x = 591,668,917,371.68 - Step 5: Solve for x
x = 591,668,917,371.68/925,048.08 - Step 6: Final answer
x = 639,608.83
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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.