Finding the Fourth Proportional to 740,206.08, 1,021,485.60 and 400,675.68
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Solution
The fourth proportional to 740,206.08, 1,021,485.60 and 400,675.68 is: 552,933.09
Step by Step Solution
- Step 1: Write the proportion equation
740,206.08 : 1,021,485.60 = 400,675.68 : x - Step 2: Convert to fraction form
740,206.08/1,021,485.60 = 400,675.68/x - Step 3: Cross multiply
740,206.08x = 1,021,485.60 × 400,675.68 - Step 4: Simplify right side
740,206.08x = 409,284,437,390.21 - Step 5: Solve for x
x = 409,284,437,390.21/740,206.08 - Step 6: Final answer
x = 552,933.09
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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.