Finding the Fourth Proportional to 821,930.21, 1,232,681.48 and 348,371.81
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Solution
The fourth proportional to 821,930.21, 1,232,681.48 and 348,371.81 is: 522,467.08
Step by Step Solution
- Step 1: Write the proportion equation
821,930.21 : 1,232,681.48 = 348,371.81 : x - Step 2: Convert to fraction form
821,930.21/1,232,681.48 = 348,371.81/x - Step 3: Cross multiply
821,930.21x = 1,232,681.48 × 348,371.81 - Step 4: Simplify right side
821,930.21x = 429,431,476,599.22 - Step 5: Solve for x
x = 429,431,476,599.22/821,930.21 - Step 6: Final answer
x = 522,467.08
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.