Finding the Fourth Proportional to 909,577.21, 1,364,510.40 and 302,387.08
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Solution
The fourth proportional to 909,577.21, 1,364,510.40 and 302,387.08 is: 453,628.69
Step by Step Solution
- Step 1: Write the proportion equation
909,577.21 : 1,364,510.40 = 302,387.08 : x - Step 2: Convert to fraction form
909,577.21/1,364,510.40 = 302,387.08/x - Step 3: Cross multiply
909,577.21x = 1,364,510.40 × 302,387.08 - Step 4: Simplify right side
909,577.21x = 412,610,315,485.63 - Step 5: Solve for x
x = 412,610,315,485.63/909,577.21 - Step 6: Final answer
x = 453,628.69
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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.