Finding the Fourth Proportional to 717,637.14, 1,076,081.94 and 338,456.06
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Solution
The fourth proportional to 717,637.14, 1,076,081.94 and 338,456.06 is: 507,507.81
Step by Step Solution
- Step 1: Write the proportion equation
717,637.14 : 1,076,081.94 = 338,456.06 : x - Step 2: Convert to fraction form
717,637.14/1,076,081.94 = 338,456.06/x - Step 3: Cross multiply
717,637.14x = 1,076,081.94 × 338,456.06 - Step 4: Simplify right side
717,637.14x = 364,206,453,649.56 - Step 5: Solve for x
x = 364,206,453,649.56/717,637.14 - Step 6: Final answer
x = 507,507.81
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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.