Finding the Fourth Proportional to 788,375.68, 1,087,931.52 and 448,778.24
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Solution
The fourth proportional to 788,375.68, 1,087,931.52 and 448,778.24 is: 619,298.65
Step by Step Solution
- Step 1: Write the proportion equation
788,375.68 : 1,087,931.52 = 448,778.24 : x - Step 2: Convert to fraction form
788,375.68/1,087,931.52 = 448,778.24/x - Step 3: Cross multiply
788,375.68x = 1,087,931.52 × 448,778.24 - Step 4: Simplify right side
788,375.68x = 488,239,992,786.13 - Step 5: Solve for x
x = 488,239,992,786.13/788,375.68 - Step 6: Final answer
x = 619,298.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.