Finding the Fourth Proportional to 839,032.68, 1,257,427.92 and 306,052.68
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Solution
The fourth proportional to 839,032.68, 1,257,427.92 and 306,052.68 is: 458,670.08
Step by Step Solution
- Step 1: Write the proportion equation
839,032.68 : 1,257,427.92 = 306,052.68 : x - Step 2: Convert to fraction form
839,032.68/1,257,427.92 = 306,052.68/x - Step 3: Cross multiply
839,032.68x = 1,257,427.92 × 306,052.68 - Step 4: Simplify right side
839,032.68x = 384,839,184,822.83 - Step 5: Solve for x
x = 384,839,184,822.83/839,032.68 - Step 6: Final answer
x = 458,670.08
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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.