Finding the Fourth Proportional to 931,973.04, 1,284,573.84 and 659,691.60
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Solution
The fourth proportional to 931,973.04, 1,284,573.84 and 659,691.60 is: 909,277.99
Step by Step Solution
- Step 1: Write the proportion equation
931,973.04 : 1,284,573.84 = 659,691.60 : x - Step 2: Convert to fraction form
931,973.04/1,284,573.84 = 659,691.60/x - Step 3: Cross multiply
931,973.04x = 1,284,573.84 × 659,691.60 - Step 4: Simplify right side
931,973.04x = 847,422,571,827.74 - Step 5: Solve for x
x = 847,422,571,827.74/931,973.04 - Step 6: Final answer
x = 909,277.99
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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.