Finding the Fourth Proportional to 878,681.30, 1,317,763.58 and 373,238.26
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Solution
The fourth proportional to 878,681.30, 1,317,763.58 and 373,238.26 is: 559,747.64
Step by Step Solution
- Step 1: Write the proportion equation
878,681.30 : 1,317,763.58 = 373,238.26 : x - Step 2: Convert to fraction form
878,681.30/1,317,763.58 = 373,238.26/x - Step 3: Cross multiply
878,681.30x = 1,317,763.58 × 373,238.26 - Step 4: Simplify right side
878,681.30x = 491,839,780,529.97 - Step 5: Solve for x
x = 491,839,780,529.97/878,681.30 - Step 6: Final answer
x = 559,747.64
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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.